Wikipedia:WikiProject Missing encyclopedic articles/Global Names Index/I
- Iacaranda Nees
- Iacaranda Pers.
- Iacchus rufiventer
- Iaceornis
- Iaceornis Clarke 2004
- Iaceornis marshi
- Iaceornis marshi Clarke 2004
- Iache
- Iache Elliot 1879
- Iache latirostris
- Iache lawrencii
- Iache lawrencii Goring 1887
- Iache lawrencii Ridgway 1887
- Iache nitida
- Iache nitida Salvin & Godman 1889
- Iachnochiton papillosus C.B. Adams
- Iachnopsyllus delectabilis
- Iachnopsyllus delectabilis Smit 1952
- Iachnopsyllus liae
- Iachnopsyllus liae Jord.
- Iachoris
- Iachoris Janse 1960
- Iachyromys parvidens
- Iachyromys parvidens Miller & Gidley 1920
- Iacksoneuma
- Iacksoneuma Brade-Birks & Brade-Birks 1917
- Iacksoneuma bradeae
- Iacksoneuma bradeae Brölemann & Brade-Birks, 1917
- Iacksoneuma bradeae Br�lemann & Brade-Birks 1917
- iado Alonso de Pina 2003
- Iaera albifrons
- Iaera Copel.
- Iaera Copeland 1931
- Iaera Copeland, 1931
- Iaera duodecimpunctata
- Iaera H.F.Copel.
- Iaera lanaensis
- Iaera lanaensis (Merr.) H.F.Copel.
- Iaera loheri
- Iaera loheri (Merr.) H.F.Copel.
- Iaera lucida
- Iaera lucida (Merr.) H.F.Copel.
- Iaera marina
- Iaera Westwood 1850
- Iaeranea
- Iaeranea Rafinesque 1815
- Iaevis
- Iafecnema inopinata
- Iafecnema inopinata (Rohdendorf 1937)
- Iafecnema Lehrer 1995
- Iago cf sp nov
- Iago Compagno & Springer 1971
- Iago Compagno & Springer 1971 sec. Eschmeyer 1998
- Iago Compagno & Springer 1971 sec. Eschmeyer 2004
- Iago Compagno & Springer 1971 sec. Fourmanoir & Rivaton 1979
- Iago Compagno 1971
- Iago Compagno and Springer, 1971
- Iago garricki
- Iago garricki Fourmanoir & Rivaton 1979
- Iago garricki Fourmanoir & Rivaton 1979 sec. Eschmeyer 2004
- Iago garricki Fourmanoir & Rivaton, 1979
- Iago garricki Fourmanoir and Rivaton, 1979
- Iago omanensis
- Iago omanensis (Norman 1939)
- Iago omanensis (Norman, 1939)
- Iago omanensis = sp nov.?
- Iago sp
- [[Iago sp. nov. [galeus sp.]]]
- iagonensis (Bowdich 1825)
- iagonensis Bowdich 1825
- Iagonia
- Iagonia bella
- Iagothrix lagothricha
- Iagotrema
- Iagotrema Mahé-Garzón & Gil 1962
- Iagotrema Mañé-Garzón & Gil 1962
- Iagotrema uruguayensis Mane-Garzon & Gil 1962
- Iagotrematidae
- Iaïdjahus
- Iaïdjahus Budde-Lund 1904
- iaini Bruce
- Iais
- Iais antarctica
- Iais antarctica (Chappuis 1958)
- Iais aquilei
- Iais aquilei Coineau 1977
- Iais aquilei Coineau, 1977
- Iais Bouvallius 1886
- Iais Bovallius 1886
- Iais Bovallius, 1886
- Iais californica
- Iais californica (H. Richardson 1904)
- Iais californica (H. Richardson, 1904)
- Iais californica (Richardson 1904)
- Iais californica (Richardson, 1904)
- Iais californica (Richardson, 1904C)
- Iais chilense (Winkler, 1992)
- Iais chilensis
- Iais chilensis (Winkler 1992)
- Iais chilensis (Winkler 1992A)
- Iais chilensis (Winkler, 1992A)
- Iais elongata
- Iais elongata Sivertsen & Holthuis 1980
- Iais elongata Sivertsen & Holthuis, 1980
- Iais floridana
- Iais floridana Kensley & Schotte 1999
- Iais floridana Kensley & Schotte, 1999
- Ialapa Crantz
- ialaris Luo, Guo, Fang & Huang 2004
- Ialibua
- Ialibua brandti
- Ialibua brandti Carvalho 1986
- Ialibua Carvalho 1986
- Ialibua gressitti
- Ialibua gressitti Carvalho 1986
- Ialibua maai
- Ialibua maai Carvalho 1986
- Ialibua nigriclava
- Ialibua nigriclava Carvalho 1986
- Ialibua rubrovenosa
- Ialibua rubrovenosa Carvalho 1986
- Ialibua sedlaceki
- Ialibua sedlaceki Carvalho 1986
- Ialibua unicolor
- Ialibua unicolor Carvalho 1986
- Ialibua viridicollis
- Ialibua viridicollis Carvalho 1986
- ialina Richiardi 1880
- Ialmenes evagoras
- Ialmenus
- Ialmenus chrysomallus
- Ialmenus clementi
- Ialmenus clementi H.H. Druce 1902
- Ialmenus daemeli
- Ialmenus dameli
- Ialmenus Doubleday 1847
- Iamatega Kishida 1955
- Iamba alticola
- Iamba alticola Laporte 1973
- Iambi
- Iambi Duda 1927
- Iambia
- Iambia alticola
- Iambia alticola Laporte 1973
- Iambia berioi
- Iambia berioi Hacker & Fibiger 2006
- Iambia brunnea
- Iambia brunnea Warren 1914
- Iambia harmonica
- Iambia harmonica Hampson 1902
- Iambia incerta
- Iambia inferalis
- Iambia inferalis Walker 1863
- Iambia infernalis (Walker,1863)
- Iambia jansei
- Iambia jansei Berio 1966/67
- Iambia japonica
- Iambia japonica Sugi
- Iambia japonica Sugi 1958
- Iambia lyricalis
- Iambia lyricalis Holloway 1989
- Iambia nigella
- Iambia nigella Hampson 1918
- Iambia nocturna
- Iambia nocturna Hampson 1902
- Ianacus isabellae
- Ianacus isabellae Taki 1938
- Ianacus Moerch 1852
- Ianacus Mörch 1852
- Ianassa
- Ianassa alpica
- Ianassa alpica Benjamin 1932
- Ianassa cerigoides
- Ianassa cerigoides Walker, 1855
- Ianassa delicatoides
- Ianassa lignicolor
- Ianassa lignicolor Walker 1855
- Ianassa pallida
- Ianassa pinalensis
- Ianassa pinalensis Benjamin 1932
- Ianassa Walker 1855
- Ianduba
- Ianduba abara
- Ianduba abara Bonaldo & Brescovit 2007
- Ianduba abara Bonaldo & Brescovit, 2007
- Ianduba Bonaldo
- Ianduba Bonaldo 1997
- Ianduba caxixe
- Ianduba caxixe Bonaldo 1997
- Ianduba caxixe Bonaldo, 1997
- Ianduba mugunza
- Ianduba mugunza Bonaldo & Brescovit 2007
- Ianduba mugunza Bonaldo & Brescovit, 2007
- Ianduba patua
- Iaochiton bardwelli Ashby & Cotton 1934
- Iapalura planidorsata
- Iapalura planidorsata Jerdon 1870
- Iapalura swinhonis
- Iapetocardia
- Iapetocardia cooperi
- Iapetocardia cooperi (Pojeta & Runnegar 1976)
- Iapetocardia richmondensis
- Iapetocardia Rogalla & Amler 2006
- Iapetocardiinae
- Iapetocardiinae Rogalla & Amler 2006
- Iapetognathus
- Iapetognathus aegensis (Lindström)
- Iapetognathus aengensis
- Iapetognathus aengensis (Lindstrom 1955)
- Iapetognathus fluctivagus
- Iapetognathus fluctivagus Nicoll, Miller, Nowlan et al. 1999
- Iapetognathus fluctivagus Nicoll, Miller, Nowlan, Repetski & Ethington 1999
- Iapetognathus jilinensis
- Iapetognathus jilinensis Nicoll, Miller, Nowlan et al. 1999
- Iapetognathus jilinensis Nicoll, Miller, Nowlan, Repetski & Ethington 1999
- Iapetognathus Landing 1982
- Iapetognathus landingi
- Iapetognathus landingi Nicoll, Miller, Nowlan et al. 1999
- Iapetognathus landingi Nicoll, Miller, Nowlan, Repetski & Ethington 1999
- Iapetognathus preaengensis
- Iapetognathus preaengensis Landing
- Iapetognathus preaengensis Landing 1982
- Iapetognathus sprakersi
- Iapetognathus sprakersi Landing 1996
- Iaquira Galileo & Martins 2001
- Iaquira viridis
- Iaquira viridis Galileo & Martins 2001
- Iaquira viridis Galileo & Martins, 2001
- Iaquira viridis GALILEO M. H. M., MARTINS U. R., 2001
- iarae Houart 1998
- Iaravaea
- Iaravaea aquatica
- Iaravaea aquatica Scop.
- Iaravaea bivalvis
- Iaravaea bivalvis Scop.
- Iaravaea scandens
- Iaravaea scandens Scop.
- Iaravaea Scop.
- Iaravaea trivalvis
- Iaravaea trivalvis Scop.
- Iaravaea villosa
- Iaravaea villosa Scop.
- Iarca
- Iarca japonica A. ADAMS, 1864
- Iardinidis
- Iardinidis brevipes
- Iardinidis brevipes Wunderlich 2004
- Iardinidis Wunderlich 2004
- Iardinis
- Iardinis albulus
- Iardinis albulus Gertsch 1960
- Iardinis boneti
- Iardinis boneti (Forster 1958)
- Iardinis martensi
- Iardinis martensi Brignoli 1978
- Iardinis martensi Brignoli, 1978
- Iardinis mussardi
- Iardinis mussardi Brignoli 1980
- Iasides Champion 1907
- Iasides cincticollis
- Iasides cincticollis Champion 1907
- Iasides cincticollis Champion, G.C. 1907
- Iasides cincticollis Champion, G.C., 1907
- Iasione
- Iasione Moench
- Iasis
- Iasis cylindrica
- Iasis cylindrica (Cuvier 1804)
- Iasis cylindrica Cuvier 1804
- Iasis cylindrica Cuvier, 1804
- Iasis Lahille 1890
- Iasis Savigny 1816
- Iasis zonaria
- Iasis zonaria (Pallas, 1774)
- Iasis zonaria Pallas 1774
- Iasis zonaria Pallas, 1774
- Iasius
- Iasius Westwood 1850
- [[Iasius Westwood, [1850]]]
- Iaspidea celsia
- Iaspidea celsia Linn.
- Iaspis
- Iaspis (Thecla)
- Iaspis ambiguanota
- Iaspis ambiguanota Austin & Johnson 1996
- iaspis Baba & Haig 1990
- Iaspis beera
- Iatella torosa
- Iatella torosa Michailova 1986
- Iathrippa
- Iathrippa bisbidens
- Iathrippa bisbidens (Barnard 1955)
- Iathrippa bisbidens (Barnard 1955A)
- Iathrippa bisbidens (Barnard, 1955A)
- Iathrippa Bovallius 1886
- Iathrippa Bovallius, 1886
- Iathrippa capensis
- Iathrippa capensis (Barnard 1914)
- Iathrippa capensis (Barnard 1914B)
- Iathrippa capensis (Barnard, 1914B)
- Iathrippa chilensis
- Iathrippa chilensis Menzies 1962
- Iathrippa hirsuta
- Iathrippa hirsuta (Carvacho 1981)
- Iathrippa hirsuta (Carvacho, 1981)
- Iathrippa inerme
- Iathrippa inerme (Haswell 1881)
- Iathrippa inerme (Haswell, 1881)
- Iathrippa longicauda
- Iathrippa longicauda (Chilton 1884)
- Iathrippa longicauda (Chilton, 1884)
- Iathrippa longicauda (Chilton, 1884) E
- Iathrippa menziesi
- Iathrippa menziesi Sivertsen & Holthuis 1980
- Iathrippa menziesi Sivertsen & Holthuis, 1980
- Iathrippa multidens
- Iauca nigromaculata
- Iauca nigromaculata Martins 2005
- Iauca nigromaculata Martins, 2005
- Iba bakeri
- Iba bakeri (Lallemand 1922)
- Iba bakeri (Lallemand, 1922)
- Iba bakeri Lallemand,1922
- Iba cuneata
- Iba cuneata E. Schmidt
- Iba cuneata Schmidt 1920
- Iba cuneata Schmidt, 1920
- Iba Schmidt
- Iba Schmidt 1920
- Ibaccus
- Ibaccus altricrenatus
- Ibaccus ciliatus
- Ibaccus Spence Bate 1888
- Ibaccus verdi
- Ibaccus verdi Bate 1888
- Ibacinae
- Ibacinae Holthuis 1985
- Ibacinae Holthuis, 1985
- Ibacus
- Ibacus (Pelagia)
- Ibacus alticrenatus
- Ibacus alticrenatus (Bate, 1888)
- Ibacus alticrenatus Bate 1888
- Ibacus alticrenatus Bate, 1888
- Ibacus alticrenatus septemdentatus
- Ibacus alticrenatus var. septemdentatus Grant 1905
- Ibacus altricrenatus
- Ibacus altricrenatus Bate 1888
- Ibbacus verdi Bate 1888
- Ibbertsonia
- Ibbertsonia Steud.
- Ibbetsonia
- Ibbetsonia genistoides
- Ibbetsonia genistoides Sims
- Ibbetsonia Sims
- Ibbetsonia Sims 1810
- Ibbetsonia Sims, 1810
- Ibdopsis
- Ibdopsis hordwelliensis
- Ibdopsis hordwelliensis Lydekker 1891
- Ibdopsis Lydekker 1891
- Ibec Gervais 1849
- Ibelis
- Ibelis unbellata L.
- Ibellislriatus
- Ibellislriatus Reed 1927
- Ibeotettix
- Ibeotettix alticrista
- Ibeotettix alticrista Günther, K. 1979
- Ibeotettix alticrista Günther, K., 1979
- Ibeotettix alticrista Günther, Klaus 1979
- Ibeotettix alticrista Günther, Klaus, 1979
- Ibeotettix alticrista G�nther, K. 1979
- Ibeotettix angulatus
- Ibeotettix angulatus (Bolivar, I. 1905)
- Ibeotettix angulatus (Bolivar, I., 1905)
- Ibeotettix angulatus Gunther, Klaus 1939
- Ibeotettix angulatus Gunther, Klaus, 1939
- Ibeotettix batesi
- Ibeotettix batesi Rehn 1930
- Ibeotettix batesi Rehn, 1930
- Ibeotettix batesi Rehn, J.A.G. 1930
- Ibeotettix batesi Rehn, J.A.G., 1930
- Ibeotettix Rehn 1930
- Ibeotettix Rehn 1931
- Ibeotettix steinbachi
- Ibeotettix steinbachi Gunther, 1979
- Ibeotettix steinbachi Günther, K. 1979
- Ibeotettix steinbachi Günther, K., 1979
- Ibeotettix steinbachi Günther, Klaus 1979
- Ibiaris discretus
- Ibiaris discretus Horv. & Reut.
- Ibiaris discretus Horvath & Reuter 1901
- Ibiaris discretus Horvath et Reuter 1901
- Ibiaris Horv. & Reut.
- Ibiaris Horvath & Reuter 1901
- Ibiaris Reuter 1901
- Ibiba
- Ibiba Gray 1825
- Ibicarella
- Ibicarella Pakaluk & Slipinski 1990
- Ibicarella plaumanni
- Ibicarella plaumanni Pakaluk & Slipinski 1990
- Ibicarella rotundata
- Ibicarella rotundata Pakaluk & Slipinski 1990
- Ibicella
- Ibicella (Stapf)
- Ibicella (Stapf) Van Eselt.
- Ibicella lutea
- Ibicella lutea (Lindl.) v.Eselt., 1929
- Ibicella lutea (Lindl.) Van Eselt.
- Ibicella lutea (Lindley) Eselt.
- Ibicella lutea (Lindley) van Eseltine
- Ibicella lutea Lindau
- Ibicella lutea Van Eselt.
- Ibicella nelsoniana
- Ibicella nelsoniana (Barb. Rodr.) Van Eselt.
- Ibicella nelsoniana (Barb.Rodr.) Van Eselt.
- Ibicella nelsoniana Van Eselt.
- Ibla (Cirripedia)
- Ibla atlantica
- Ibla atlantica Stubbings 1967
- Ibla atlantica Stubbings, 1967
- Ibla cumingi
- Ibla cumingi Darw.
- Ibla cumingi Darwin
- Ibla cumingi Darwin 1851
- Ibla cumingi Darwin, 1851
- Ibla cumingi sibogae
- Ibla cumingii
- Ibla cummingi sibogae
- Ibla idiotica
- Ibla idiotica Batham 1945
- Ibla idiotica Batham, 1945 E
- Ibla Leach 1825
- Ibla pygmaea
- Ibla pygmaea Broch 1922
- Ibla quadrivalis Cuvier
- Ibla quadrivalvis
- Ibla quadrivalvis (Cuvier 1817)
- Ibla segmentata
- Ibla segmentata Th. Studer
- Ibla sibogae
- Ibla sibogae Hoek 1907
- ibla Thomson 1873
- Iblania
- Iblania Antoine 1938
- Iblania Antoine 1939
- Ibn-saudia Koch 1941
- Ibnsaudia
- Ibnsaudia (Prothraustocola)
- Ibnsaudia (Prothraustocola) belutschistanica
- Ibnsaudia (Prothraustocola) belutschistanica Kaszab Z 1957
- Ibnsaudia belutschistanica
- Ibnsaudia Koch 1941
- Ibnsaudia propheta
- Ibnsaudia propheta Koch 1941
- Ibnsaudia propheta Koch C 1941
- Ibocoris
- Ibocoris ficivora
- Ibocoris ficivora Roche 1947
- Ibocoris orientalis
- Ibocoris orientalis Schouteden 1964
- Ibocoris Roche 1947
- iboensis Grube 1878
- Iboga
- Iboga J. Braun & K. M. Schumann
- Iboga J. Braun & K.M. Schumann 1889
- Iboga J. Braun et K. M. Schumann, 1889
- Iboga J.Braun & K.Schum
- Iboga J.Braun & K.Schum.
- Iboga vateriana
- Iboga vateriana J.Braun & K.Schum
- Iboga vateriana J.Braun & K.Schum.
- Ibonididae
- Ibornia
- Ibornia andersoni
- Ibornia andersoni Seyrig
- Ibornia bicolor
- Ibornia bicolor Seyrig
- Ibornia fumipennis
- Ibornia fumipennis (Morley)
- Ibornia Seyrig 1936
- Ibornia unicolor
- Ibornia unicolor Seyrig
- Ibosia bleekeri
- Ibotrigonia
- Ibrahimia ibra himi
- Ibrahimia ibra himi Khalil 1932
- Ibrahimia Khalil 1932
- Ibrahimiinae
- Ibrahimiinae Khalil 1932
- Ibrahimipollenites
- Ibrahimipollenites Y. Ergönül 1960
- Ibrahimipollenites Y. Ergönül, 1960
- Ibrahimispores
- Ibrahimispores S. Artüz 1957
- Ibrahimispores S. Artüz, 1957
- Ibreodorcadion molitor
- Ibreodorcadion molitor Fabricius, 1775
- Ibreodorcadion striola
- Ibreodorcadion striola Mulsant, 1863
- ibssi Bartsch 1996
- Ibukiphyllum densum
- Ibukiphyllum densum Kato & Minato 1975
- Ibukiphyllum Kato & Minato 1974
- iburi (Oka 1934)
- iburi Oka 1934
- iburia (Jordan & Starks 1904)
- iburia Jordan & Starks 1904
- Iburidania
- Iburidania bipectinata
- Iburiella
- Iburiella Jordan & Hubbs 1925
- Iburiella Jordan & Hubbs 1925 sec. Eschmeyer 1998
- Iburiella Jordan & Hubbs 1925 sec. Eschmeyer 2004
- Iburiella kasawae
- Iburiella kasawae Jordan & Hubbs 1925
- Iburiella kasawae Jordan & Hubbs 1925 sec. Eschmeyer 2004
- Iburiella kasawae Jordan & Hubbs, 1925
- iburiensis Doiuchi & Nakabo 2005
- Iburina
- Iburina Jordan & Hubbs 1925
- Iburina Jordan & Hubbs 1925 sec. Eschmeyer 1998
- Iburina Jordan & Hubbs 1925 sec. Eschmeyer 2004
- Iburina Jordan & Hubbs 1925 sec. Freeman 1951
- iburius Jordan & Snyder 1902
- Iburnia
- Iburnia sulcata
- Iburnia sulcata Muir 1921
- Iburnia sulcata Muir, 1921
- Ibycter a. americanus
- Ibycter afer
- Ibycter albigularis
- Ibycter albogularis
- Ibycter americanus
- Ibycter americanus (Boddaert 1783)
- Ibycter americanus (Boddaert) 1783
- Ibycter americanus (Boddaert, 1783)
- Ibycter americanus americanus
- Ibycter americanus ssp.
- Ibycter australis
- Ibycter carunculatus
- Ibycter chimachima
- Ibycter chimango
- Ibycter circumcinctus
- Ibycter circumcinctus Scott 1910
- Ibycter megalopterus
- Ibycter Vieillot 1816
- Ibycter Vieillot, 1816
- Ibycus
- Ibycus Heynemann 1862
- Ibycus Heynemann 1863
- Ibycus magnificus
- Ibycus papuanus
- Ibycus papuanus Rensch 1932
- Ibycus rachelae
- Ibycus rachelae Schilthuizen & Liew 2008
- Ibycus siamensis
- Ibycus siamensis Cockerell 1891
- Icacina A. H. L. Jussieu, 1823
- Icacina A. Juss.
- Icacina A.H.L. Jussieu 1823
- Icacina A.Juss.
- Icacina Adr. Juss.
- Icacina claessensi
- Icacina claessensi De Wild.
- Icacina claessensii De Wild.
- Icacina dubia
- Icacina dubia Macfad.
- Icacina grandifolia
- Icacina grandifolia Miers
- Icacina guessfeldtii
- Icacina guessfeldtii Asch.
- Icacina guessfeldtii Asch. ex Engl.
- Icacina guessfeldtii Aschers.
- Icacina gussfeldtii Aschers
- Icacina ledermannii
- Icacina ledermannii Engl.
- Icacina macrocarpa
- Icacina macrocarpa Oliv.
- Icacina macrocarpa Oliver
- Icacina mannii
- Icacina mannii Oliv.
- Icacina mannii Oliv. var. lebrunii Boutique
- Icacina mannii Oliv. var. mannii
- Icacina mannii Oliver
- Icacina mauritiana
- Icacina mauritiana Miers
- Iccius cephalotes
- Iccius cephalotes Champion GC 1886
- Iccius Champ 1886
- Iccius Champion 1886
- Iccius Champion GC 1886
- Iccius crenata
- Iccius crenata Germar EF 1836
- Iccius cylindricus
- Iccius cylindricus Champion GC 1886
- Iccius Dohrn 1859
- Iccius elongate
- Iccius fossoria
- Iccius fossoria Wollaston TV 1861
- Iccius grenadensis
- Iccius grenadensis Champion GC 1896
- Iccius monoceros
- Iccius monoceros Ferrer & Odegaard 2005
- Iccius rufotestaceus
- Iccius rufotestaceus (Champion 1913)
- Iccius rufotestaceus Champion GC 1896
- Iccius staliana
- Iccius staliana Wygodzinsky 1966
- Ice crawler
- Icel
- icela Ahyong 2007
- Icelandic poppy
- Icelanonchohaptor
- Icelanonchohaptor fyviei
- Icelanonchohaptor fyviei Dechtiar & Dillon 1974
- Icelanonchohaptor icelanonchohaptor
- Icelanonchohaptor icelanonchohaptor Leiby, Kritsky & Peterson 1972
- Icelanonchohaptor Leiby, Kritsky & Peterson 1972
- Icelanonchohaptor Leiby, Kritsky, Peterson, 1972
- Icelanonchohaptor microcotyle
- Icelanonchohaptor microcotyle Kritsky, Leiby & Shelton 1972
- Icelastatis
- Icelastatis galerucoides
- Icelastatis galerucoides (Bates 1866)
- Icelastatis galerucoides (Bates, 1866)
- Icelastatis galerucoides (GALILEO M. H. M., MARTINS U. R., 1991)
- Icelastatis galerucoides Galileo & Martins 1991
- Icelastatis galerucoides Galileo & Martins, 1991
- Icelastatis galerucoides Monné & Giesbert 1995
- Icelastatis galerucoides Monné & Giesbert, 1995
- Icelastatis galerucoides Monné 1995
- Icelastatis galerucoides Monné, 1995
- Icelastatis galerucoides Monn� & Giesbert 1995
- Icelastatis galerucoides Monn� 1995
- Icelastatis Galileo & Martins 1991
- Icelastis
- Icelastis galerucoides
- Icfrealeyrodes Dubey & Sundararaj 2006
- Icfrealeyrodes indica
- Icfrealeyrodes indica Dubey & Sundararaj 2006
- Ichangia
- Ichangia aspinosa
- Ichangia aspinosa Zhang & Zhu 1980
- Ichangia Chang 1957
- Ichangia conica
- Ichangia conica Zhou 1978
- Ichangia cylindrica
- Ichangia cylindrica Zhou 1978
- Ichangia ichangensis
- Ichangia ichangensis Chang
- Ichangia ichangensis Chang 1957
- Ichangia jiuwanxiensis
- Ichangia jiuwanxiensis Lin 1978
- Ichangia Lu et al 1965
- Ichangia oblonga
- Ichangia oblonga Zhang & Zhu 1980
- Ichangia ZHANG 1957
- Ichangia ziguiensis
- Ichangia ziguiensis Lin 1978
- Ichangia? damiaoensis
- Ichangia? damiaoensis Chang
- Ichangia? shiqianensis Yin 1978
- Ichangiidae
- Ichangiinae
- Ichangiinae Zhu 1979
- Ichangiinae Zhu 1980
- Ichangiinae Zhu in Zhang et al 1980
- Ichangolithus
- Ichangolithus ichangensis
- Icianthus atratus
- Icianthus atratus Greene
- Icianthus E. L. Greene, 1906
- Icianthus E.L. Greene 1906
- Icianthus glabrifolius
- Icianthus glabrifolius (Buckley) Greene
- Icianthus glabrifolius Greene
- Icianthus Greene
- Icianthus hyacinthoides
- Icianthus hyacinthoides (Hook.) Greene
- Icianthus hyacinthoides Greene
- Icica
- Icica abilo
- Icica abilo Blanco
- Icica acuchini
- Icica acuchini J.F.Gmel.
- Icica acuminata
- Icica acuminata Poir.
- Icica altissima
- Icica altissima Aubl.
- Icica ambrosiaca
- Icica ambrosiaca Mart.
- Icica aracouchili
- Icica aracouchili March.
- Icica aracouchini
- Icica aracouchini Aubl.
- Icica attentuata
- Icica attentuata Rose, 1911
- Icica attenuata
- Ickarus ickei
- Ickarus ickei (Martin 1914)
- Ickarus Vermeij 2001
- Icleria virens longicauda
- Iclicyon venaticus
- Iclitherium sivalense
- Iclonyx
- Icma involucrata
- Icma involucrata Phil.
- Icma Phil.
- Icma R. A. Philippi, 1872
- Icma R.A. Philippi 1872
- Icmadophila
- Icmadophila adversum
- Icmadophila adversum (Nyl.) Rambold & Hertel
- Icmadophila aeruginosa
- Icmadophila aeruginosa (Scop.) Trevis
- Icmadophila aeruginosa (Scop.) Trevis.
- Icmadophila aeruginosa (Scop.) Trevis. 1928
- Icmadophila aeruginosa (Scop.) Trevis. 1953
- Icmadophila aeruginosa (Scop.) Trevisan
- Icmadophila aeruginosa aeruginosa
- Icmadophila aeruginosa americana
- Icmadophila aeruginosa f. aeruginosa
- Icmadophila aeruginosa f. aeruginosa (Scop.) Trevis.
- Icmadophila aeruginosa f. aeruginosa (Scop.) Trevis. 1952
- Icmadophila aeruginosa f. muscicola
- Icmadophila aeruginosa f. muscicola Britzelm.
- Icmadophila aeruginosa f. muscicola Britzelm. 1906
- Icmadophila aeruginosa f. museicola Britzelm. 1906
- Icmadophila aeruginosa forma aeruginosa (Scop.) Trevis. 1952
- Icmadophila aeruginosa muscicola
- Icmadophila aeruginosa museicola
- Icmadophila aeruginosa var. aeruginosa
- Icmadophila aeruginosa var. aeruginosa (Scop.) Trevis.
- Icmadophila aeruginosa var. aeruginosa (Scop.) Trevis. 1952
- icoaraci Noodt 1963
- Icoateus enigmaticus
- Icoateus enigmaticus Look
- Icochaea
- Icochaea crassipes
- Icochaea crassipes Schiodte & Meinert 1879
- Icochaea Schiodte & Meinert 1879
- Icochilus
- Icochilus Ameghino 1889
- Icochilus endiadys
- Icochilus excatiatus
- Icochilus excatiatus Ameghino 1889
- Icochilus extensus
- Icochilus extensus Ameghino 1889
- Icochilus rotundatus
- Icochilus rotundatus Ameghino 1889
- Icochilus undulatus
- Icochilus undulatus Ameghino 1889
- Icochlilus ulter
- Icodema
- Icodema breviceps
- Icodema breviceps Wagner 1968
- Icodema infuscata
- Icodema infuscata (Fieber 1861)
- Icodema infuscata (Fieber, 1861)
- Icodema infuscatum
- Icodema infuscatum (Fieber 1861)
- Icodema infuscatum (Fieber, 1861)
- Icodema infuscatum Fieb.
- Icridion Gistl 1848
- Icridium
- Icridium fuscum
- Icridium fuscum (Grube )
- Icridium fuscum Grube
- Icridium Grube 1864
- Icridium rissoanum
- Icrimnastax
- Icrimnastax Enderlein 1912
- Icrimnastax ocellata
- Icrimnastax ocellata Enderlein 1912
- Icriocarcininae
- Icriocarcininae Stevcic 2005
- Icriocarcinus
- Icriocarcinus Bishop 1988
- Icriocarcinus xestos
- Icriocarcinus xestos Bishop 1988
- Icriodella
- Icriodella cf. superba Rhodes, 1953
- Icriodella deflecta
- Icriodella deflecta Aldridge 1972
- Icriodella deforma
- Icriodella descreta
- Icriodella dicrana
- Icriodella dicrana Zhang & Barnes 2002
- Icriodella discreta
- Icriodella discreta Pollock, Nicoll & Rexroad 1970
- Icriodella elongata
- Icriodella inconstans
- Icta
- Icta fulviceps
- Icta fulviceps Walker 1855
- Icta tanaopis
- Icta tanaopis Turner 1920
- Icta tanaopis Turner 1921
- Icta tanaopsis
- Icta tanaopsis Turner
- Icta Walker 1855
- Ictaelurus punctatus
- Ictaetus
- Ictaetus Rafinesque 1815
- Ictaetus Rafinesque 1815 sec. Eschmeyer 1998
- Ictaetus Rafinesque 1815 sec. Eschmeyer 2004
- Ictailurus
- Ictailurus Sevwertzov 1858
- Ictaluras
- Ictaluras catus
- Ictalurid
- Ictalurid herpes-like
- Ictalurid herpes-like viruses
- Ictalurid herpesvirus
- Ictalurid herpesvirus 1
- Ictalurid herpesvirus 1 ICTV
- [[Ictalurid herpesvirus 1 [M75136] Ictalurid herpesvirus 1 ICTV]]
- Ictaluridae
- Ictaluridae Gill, 1861
- Ictalurivirus
- Ictalurus
- Icublabia Galileo & Martins 2003
- Icublabia multispinosa
- Icublabia multispinosa Galileo & Martins 2003
- Icublabia multispinosa Galileo & Martins, 2003
- Icublabia multispinosa GALILEO M. H. M., MARTINS U. R., 2003
- Icuma
- Icuma Cameron 1905
- Icuma sericea
- Icuma sericea Cameron 1905
- Icuncula
- Icuncula consobrina
- Icuncula Iredale 1924
- Icuncula Lippistidae
- Icuncula occidentalis
- Icuncula occidentalis Ludbrook 1978
- Icuncula sp mov 839
- Icuncula terebra
- Icuncula terebra Powell 1930
- Icuncula torcularis
- Icuncula torcularis (Tenison Woods 1878)
- Icuncula zodiacus
- Icuncula zodiacus (Hedley 1907)
- Icunculus
- Icunculus torcularis
- Icunculus zodiacus
- Icunula
- Icunula zodiacus
- Icupima
- Icupima ampliata
- Icyona Cameron 1903
- Icyona rufipes
- Icyona rufipes Cameron 1903
- Icyperaceae
- Ida A. Ryan & Oakeley
- Ida A.Ryan & Oakeley
- Ida acaroi
- Ida acaroi minor
- Ida acaroi Oakeley
- Ida acaroi Oakeley var. minor Oakeley
- Ida andreettae
- Ida andreettae (Dodson) Oakeley
- Ida andreettae (Dodson) Oakeley var. pallida (Oakeley) Oakeley
- Ida andreettae pallida
- Ida angustitepala
- Ida angustitepala Oakeley
- Ida ariasii
- Ida ariasii Oakeley
- Ida barringtoniae
- Ida barringtoniae (Sm.) A. Ryan & Oakeley
- Ida barringtoniae (Sm.) A. Ryan & Oakeley subsp. barringtoniae
- Ida barringtoniae (Sm.) A. Ryan & Oakeley subsp. rossyi (Hoehne) Oakeley
- Ida barringtoniae (Sm.) A.Ryan & Oakeley
- Ida barringtoniae (Sm.) A.Ryan & Oakeley subsp. rossyi (Hoehne) Oakeley
- Ida barringtoniae barringtoniae
- Ida barringtoniae rossyi
- Ida barringtoniae subsp. barringtoniae
- Ida barringtoniae subsp. rossyi
- Ida barringtoniae subsp. rossyi (Hoehne) Oakeley
- Ida barrowii
- Ida barrowii Oakeley
- Ida barrowiorum
- Ida barrowiorum Oakeley
- Idcoioncust witin
- Idcoioncust witin Chamberlin 1923
- Iddingsella Olsson 1944
- Iddingsella Wenz 1940
- Iddingsia
- Iddingsia (?) shantu insis Kobayashi 1934
- Iddingsia ? guinnensis R.
- Iddingsia ? quinnensis
- Iddingsia ? quinnensis R.
- Iddingsia ? s.
- Iddingsia ? sp.
- Iddingsia affinis
- Iddingsia affinis (Walcott 1884)
- Iddingsia alperensis
- Iddingsia alpersensis
- Iddingsia anatina
- Iddingsia anatina R. 1942
- Iddingsia anatina Resser
- Iddingsia b.
- Iddingsia bicincta
- Iddingsia concava
- Iddingsia concava Kobayashi 1938
- Iddingsia crassimarginata
- Iddingsia crassimarginata R. 1942
- Iddingsia crassirnarginata
- Iddingsia crassirnarginata R.
- Iddingsia hapsis
- Iddingsia hapsis Hohensee 1989
- Iddingsia intermedia
- Iddingsia intermedia Palmer 1965
- Iddingsia kazachstanica
- Ide albella
- Ide albella Chamb.
- Ide Chambers 1880
- Ide complanella
- Ide lithesina
- Ide lithesina Z.
- Ide osseella
- Ide osseella Walsingham 1889
- Ide vestalis
- Ide vestalis Z.
- Idea
- idea (Heller 1862)
- Idea agamarschana
- Idea agamarschana (Felder & Felder) 1865
- Idea agamarschana cadelli
- Idea agamarschana cadelli Wood-Mason & de Nic�ville, 1880
- Idea agamarschana Felder & Felder 1865
- Idea agelia
- Idea agelia Godart 1819
- Idea alceste
- Idea alceste Fruhstorfer 1910
- Idea alcine
- Idea alcine Fruhstorfer 1910
- Idea angelia
- Idea angelia Godart 1819
- Idea arbela
- Idea arbela Fruhstorfer 1910
- Idea arrakana
- Idea arrakana Fruhstorfer 1910
- Idgia (Prionocerus) bicolor notaticollis
- Idgia alluaudi
- Idgia alluaudi Pic 1919
- Idgia amplipennis
- Idgia amplipennis Pic 1923
- Idgia apicata
- Idgia arbori
- Idgia arbori Pic 1913
- Idgia asirensis
- Idgia asirensis Wittmer 1980
- Idgia bakeri
- Idgia bakeri Pic 1925
- Idgia belli
- Idgia bicolor notaticollis
- Idgia bimaculata
- Idgia caeruleiventris
- Idgia caeruleiventris Penang
- Idgia cardoni
- Idgia ceylonica
- Idgia chloroptera
- Idgia chloroptera Redt.
- Idgia deusta
- Idgia deusta Fairmaire 1878
- Idgia deusta Fairmaire, 1878
- Idgia dimelaena
- Idgia dimidiata
- Idgia dimidiata Gerstaecker, 1871
- Idgia diversiceps
- Idgia diversipennis
- Idia (?) scopipes
- idia (Marcus 1954)
- Idia aemula
- Idia aemula Hbn.
- Idia aemula Hübner 1813
- Idia aemulalis
- Idia aemulalis Hubner 1821
- Idia aequalis
- Idia aequalis Walker 1859
- Idia aequalis Walker, 1859
- Idia albitarsis
- Idia albitarsis Macquart 1846
- Idia albitarsis Macquart, 1846
- Idia albomaculata
- Idia albomaculata (Leech 1900)
- Idia alcisa
- Idia americalis
- Idia americalis (Guenee 1854)
- Idia americana
- Idia americana Macquart 1846
- Idia americana Macquart, 1846
- Idia anchora
- Idia anchora Wiedemann 1824
- Idia anchora Wiedemann, 1824
- Idia annulata
- Idia annulata (Leech 1900)
- Idia apicalis
- Idia apicalis Wiedemann 1830
- Idia apicalis Wiedemann 1830 sec. Bianchi 1978
- Idjena dammermani
- Idjena dammermani Roewer 1927
- Idjena Roewer 1927
- Idmais abysainicus
- Idmais abysainicus Butl.
- Idmais Boisduval 1836
- Idmais castulis
- Idmais costalis
- Idmais dubia
- Idmais dynamene
- Idmais dynamene (Kl. )
- Idmais eris
- Idmais eris Klug
- Idmais eucheria
- Idmais fatma
- Idmais fatma (Koll. MS. )
- Idmais fatma Feld.
- Idmais faustina
- Idmais fulvia
- Idmais Lucas 1835
- Idmais Lucas 1836
- Idmais maimuna
- Idmais maimuna Kirb.
- Idmais miriam
- Idmais palaestinensis
- Idmais philumene
- Idmais phisaadia
- Idmais surya
- Idmais tripuncta
- Idmais tripuncta Butl.
- Idmais tripuncta Butler
- Idmais venosa
- Idnea altana
- Idnea altana Walker 1863
- Idnea concolorana
- Idnea concolorana Walker 1863
- Idnea congruana
- Idnea congruana Walker 1863
- Idnea felicella
- Idnea felicella Dyar 1913
- Idnea gibbosana
- Idnea gibbosana Walker 1863
- [[Idnea Herrich-Schaeffer [1858 (Pls. 1855)]]]
- Idnea Herrich-Schäffer 1858
- Idnea ochribasalis
- Idnea ochribasalis Hampson 1906
- Idnea olivaceana
- Idnea olivaceana Walker 1863
- Idnea perforatana
- Idnea perforatana Zeller 1877
- Idnea phoenicocraspis
- Idnea phoenicocraspis Hampson 1916
- Idnea propriana
- Idnea propriana Walker 1863
- Idnea sobriana
- Idnea sobriana Zeller 1877
- Idnea speculans
- Idnea speculans Herrich-Schäffer 1858
- Idnea speculans Herrich-Sch�ffer 1858
- Idnea torquetana
- Idnea torquetana Walker 1863
- Ido Rye 1875
- Idobrium
- Idobrium femoratum
- Idobrium femoratum Aurivillius 1922
- Idobrium femoratum Aurivillius,
- Idobrium femoratum Aurivillius, 1922
- Idobrium Kolbe 1902
- Idobrium magnum
- Idobrium magnum Aurivillius 1922
- Idobrium magnum Aurivillius, 1922
- Idobrium magnum Rodriguez
- Idobrium myrmido
- Idobrium myrmido (Fairmaire 1871)
- Idobrium myrmido (Fairmaire, 1871)
- Idobrium myrmido Sudre & Téocchi 2000
- Idobrium myrmido Sudre & Téocchi, 2000
- Idobrium myrmido Sudre & T�occhi 2000
- Idobrium myrmido SUDRE J., TÉOCCHI P., 2000
- Idobrium schellarum
- Idobrium schellarum Aurivillius 1922
- Idobrium schellarum Aurivillius, 1922
- Idobrium sechellarum
- Idobrium sechellarum Aurivillius 1922
- Idobrium sechellarum Aurivillius, 1922
- Idobrium sechellarum Seychelles
- Idobrium seychellarum
- Idobrium seychellarum Aurivillius 1922
- Idobrium seychellarum Aurivillius,
- Idobrium seychellarum Aurivillius, 1922
- Idria columnaria
- Idria columnaria Kellogg
- Idria columnaris
- Idria columnaris Kellogg
- Idria Kellogg
- Idria Kellogg 1863
- Idria Kellogg, 1863
- Idriasia carpathica
- Idricerus
- Idricerus albardanus McLachlan 1891
- Idricerus albardanus McLachlan, 1891
- Idricerus decrepitus
- Idricerus decrepitus (Walker 1860)
- Idricerus decrepitus (Walker, 1860)
- Idricerus elwesii
- Idricerus elwesii McLachlan 1891
- Idricerus elwesii McLachlan, 1891
- Idricerus exilis
- Idricerus exilis Mac L.
- Idricerus exilis McLachlan 1894
- Idricerus exilis McLachlan, 1894
- Idricerus japonicus
- Idricerus japonicus McLachlan 1891
- Idricerus japonicus McLachlan, 1891
- [[Idricerus M'Lachlan [1871]]]
- Idricerus McLachlan 1871
- [[Idricerus obscurus (Westwood, [1847])]]
- Idricerus sjoestedti
- Idricerus sjoestedti Navas
- Idsochaetothrips Moulton 1933
- Idster modiglianii
- Iduia iduensis Z-H Sun
- Iduia Sun 1977
- Iduia SUN in ZHOU et al. 1977
- Iduia Z-H Sun
- idukkensis Khatri 1984
- Idukkiella
- Idukkiella elattariae
- Idukkiella elattariae Narendran 2007
- Idukkiella Narendran 2007
- Idula (Idula) rugicollis osmanica Westerlund
- Idulia
- Idulia (Doto) coronata
- Idulia coronata
- Idulia Leach 1852
- Iduliana
- Iduliana O'Donoghue 1932
- Iduliella
- Iduliella Thiele 1931
- Iduliidae
- Idume
- Idume decolora
- Idume decolora Medler 1999
- Idume decolora Medler, 1999
- Idume deducta
- Idume deducta (Walker 1857)
- Idume deducta (Walker, 1857)
- Idume niveina
- Idume niveina (Walker 1857)
- Idume niveina (Walker, 1857)
- Idya (Philippi )
- Idya (Philippi)
- Idya angusta Sars G.O., 1905
- Idya barbigera Philippi, 1843
- Idya brevicornis Sars G.O., 1927
- Idya caspia Sars G.O., 1927
- Idya cluthae
- Idya cluthae Scott 1899
- Idya cluthae Scott T., 1899
- Idya elegantula Sars G.O., 1905
- Idya elongata
- Idya elongata Scott 1896
- Idya elongata Scott A., 1896
- Idya finmarchica Sars G.O., 1905
- Idya Fréminville 1809
- Idya furcata
- Idya furcata (Baird )
- Idya furcata (M.-Edw. )
- Idya furdata
- Idya furdata (Baird )
- Idya gracilis
- Idya gracilis (Scott T., 1895)
- Idya gracilis Scott 1895
- Idya liguslica
- Idya liguslica Brian 1920
- Idya ligustica
- Idya ligustica Brian, 1920
- Idya longicornis Scott T. & A., 1895
- Idya lonigicornis
- Idzubius Roewer 1949
- Ieae Silvestri 1910
- Iearia earinifera
- Iearia parvimaculata
- Iearia parvimaculata Cameron 1907
- Iearia sulciscutis
- Iebine nervosa
- Iebine nervosa (Thunb.) Raf.
- Iebine nervosa Raf.
- Iebine Raf.
- Iebine Rafinesque 1838
- Iebine Rafinesque, 1838
- Iedidia Amyot 1847
- Iegosigopteris M. D. Zalessky, 1935
- Iegosigopteris M.D. Zalessky 1935
- Iekelotodus Menner 1928
- Ielichthys micropthalmus
- Iella
- Iella argentea
- Iella argentea Carayon 1958
- Iella Carayon 1958
- Iemanja Hoffman 2000
- Iemanja teresa
- Iemanja teresa Hoffman 2000
- Iemanja Wenz 1989
- Iemene lusca
- Iemenja
- Iemenja palma
- Iemenja palma Wenz 1989
- Iemenja Wenz 1989
- Iemisch
- Iemisch Roth 1899
- Ienkinsonia H. G. L. Reichenbach in Moessler
- Ienuistriatum
- Ieosiella neglecta
- Ieptolinus sareptanus
- Ieptolinus sareptanus Stierl.
- Iera Lamouroux 1821
- Ieracidea
- Ieracidea (Leporillus)
- Ieracidea b. eentralia
- Ieracidea b. kempi
- Ieracidea berigora
- Ieracidea berigora novaeguineae
- Ieracidea berigora tasmanica
- Ieracidea Gould 1838
- Ieraglaux
- Ieraglaux Kaup 1852
- Ierapterhina
- Ierapterhina Des Murs & Lucas 1851
- Ieraspizia
- Ieraspizia Bonaparte 1853
- Ierax
- Ierax Forster 1817
- Ierax Leach 1816
- Ierax musicus
- Ierboidae
- Ierea
- Ierea Lamouroux 1821
- Ierestrongylius
- Ierestrongylius Cameron 1935
- Ierestrongylius filiformis
- Ierestrongylius filiformis Cameron 1935
- Ierestrongylus
- Ierestrongylus Cameron 1935
- Ierestrongylus filiformis
- Iesta adulcia
- Iesta cancellalis
- Iesta cancellalis Dyar 1914
- Iesta Dyar 1909
- Iesta lisetta
- Iesta lisetta Dyar 1909
- Iesta morobe
- Iesta morobe Dyar 1916
- Iestremiinae
- Iestremiinae Hutson, 1981
- Iethyidion mexicanun
- Iethyidion mexicanun Sauss.
- Ievlevia
- Ievlevia V. A. Samylina, 1976
- Ievlevia V.A. Samylina 1976
- Ifacus Blackwelder 1952
- Ifalukella
- Ifalukella Bayer 1955
- Ifalukella yanii
- Ifalukella yanii Bayer 1955
- Ifalukella yanii Bayer, 1955
- Ifalukellidae
- Ifalukellidae Bayer 1955
- Ifalukellidae Bayer 1955 sec. DeFelice & Eldredge 2004
- ifalukensis Vervoort 1964
- Ifalukia
- Ifalukia Barnard 1972
- Ifan
- Ifan Lepesme 1947
- Ifan monodi
- Ifan monodi Lepesme 1947
- Ifan monodi LEPESME Pierre, 1947
- Ifan monodi Lepesme, 1947
- Ifanella
- Ifanella chacei
- Ifanella chacei Vervoort 1964
- Ifanella chacei Vervoort, 1964
- Ifanella Vervoort 1964
- ifani Monniot 1969
- Ifasaurus
- Ifasaurus elongatus
- Ifasaurus elongatus Lehman 1966
- Ifasaurus elongatus Lehrman 1966
- Ifasaurus Lehman 1966
- Ifdregea capensis
- Ifdregea capensis Steud.
- Ifdregea collina
- Ifdregea collina Steud.
- Ifdregea montana
- Ifdregea montana Steud.
- Ifdregea Steud.
- Ifdregea Steudel 1840
- Ifdregea Steudel, 1840
- Ifdregea virgata
- Ifdregea virgata Steud.
- Ifecysta
- Ifecysta du Chêne & Adediran 1965
- Ifecysta fusiforma Antolinez-Delgado & Oboh-Ikuenobe 2007
- Ifecysta heterospinosa Antolinez-Delgado & Oboh-Ikuenobe 2007
- Ifecysta Jan du Chene & Adediran 1985
- Ifecysta lappacea
- Ifecysta lappacea (Drugg 1970)
- Ifecysta pachyderma
- Ifecysta pachyderma Jan du Chene & Adediran 1985
- Ifeda
- Ifeda (? author) 1966
- Ifeda 1966
- Ifeda Hodges 1966
- Ifeda perobtusa
- Ifeda perobtusa (Meyrick )
- Ifeda perobtusa Meyrick 1922
- Ifeia
- Ifeia alcibiades
- Ifeia alcibiades Linnavuori & Al-Ne'amy 1983
- Ifeia bellatrix
- Ifeia bellatrix Linnavuori & Al-Ne'amy 1983
- Ifeia bicornis
- Ifeia bicornis Linnavuori & Al-Ne'amy 1983
- Ifeia centaurus
- Ifeia centaurus Linnavuori & Al-Ne'amy 1983
- Ifeia liliputana
- Ifeia liliputana Linnavuori & Al-Ne'amy 1983
- Ifeia Linnavuori & Al-Ne'amy 1983
- Ifeia spatulata
- Ifionyx Koryer 1849
- Ifionyx Kroyer 1849
- Ifionyx Krøyer 1849
- Ifionyx orientalis
- Ifionyx orientalis Kroyer, 1849
- Ifionyx typicus
- Ifionyx typicus Kroyer, 1849
- Ifirita kowaldi
- [[Iflatotelus Mader 1942 [1952]]]
- Iflaviridae
- Iflavirus
- Ifloga
- Ifloga (Trichogyne)
- Ifloga ambigua
- Ifloga ambigua ( (L.) ) Druce
- Ifloga ambigua (L.) Druce
- Ifloga ambigua Thell.
- Ifloga ambigua Thell. (1892)
- Ifloga anomala
- Ifloga anomala Hilliard
- Ifloga aristulata
- Ifloga aristulata Thell.
- Ifloga aristulata Thell. (1907)
- Ifloga candida
- Ifloga candida Hilliard
- Ifloga Cass.
- Ifloga Cassini 1819
- Ifloga Cassini, 1819
- Ifloga cauliflora
- Ifloga cauliflora C.B.Clarke
- Ifloga decumbens
- Ifloga decumbens (Thunb.) Schltr.
- Ifloga disticha
- Ifloga disticha (L. f.) Druce
- Ifloga disticha (L.f. ) Druce
- Ifloga disticha (L.f.) Druce
- Ifloga fontanesii
- Ifnidius atlanticus
- Ifnidius atlanticus Evers 1981
- Ifnidius de la Escalera 1940
- Ifnidius Escalera 1935
- Ifnidius Escalera 1940
- Ifnidius microphthalmus
- Ifnidius microphthalmus Escalera 1935
- Ifnidius milleri
- Ifnidius milleri (Wollaston 1867)
- Ifnidius petricola
- Ifnidius petricola Plata & Evers 1987
- Ifnidius petricola Plata 1987
- Ifnidius petricola Plata-Negrache & Evers 1987
- Iforasia Fischer 1962
- Iforasia Fischer 1963
- Iforasia planispira
- Iforasia planispira Fischer 1963
- Iforborha
- Iforborha Argaman 1996
- Iforus
- Iforus desertorum
- Ifremeria
- Ifremeria Bouchet & Waren 1991
- Ifremeria nautilei
- Ifremeria nautilei Bouchet & Waren 1991
- Ifridytes
- Ifridytes Deuve & Queinnec 1994
- Ifridytes mateui
- Ifridytes mateui Deuve & Queinnec 1994
- Ifrita
- Ifrita coronata
- Ifrita coronata Rothsch.
- Ifrita coronata Rothschild 1898
- Ifrita kowaldi
- Ifrita kowaldi (De Vis )
- Ifrita kowaldi (De Vis 1890)
- Ifrita kowaldi (De Vis) 1890
- Ifrita kowaldi (De Vis, 1890)
- Ifrita kowaldi (Muscicapa (Niltava) kowaldi)
- Ifrita kowaldi brunnea
- Ifrita kowaldi brunnea Rand 1940
- Ifrita kowaldi brunnea Rand, 1940
- Ifrita kowaldi kowaldi
- Ifrita kowaldiMuscicapa (Niltava) kowaldi
- Ifrita Rothschild 1898
- Ifrita Rothschild, 1898
- Ifuaria Dworakowska 1994
- Ifuaria pallida
- Ifuaria pallida Dworakowska 1994
- ifugaoensis Kwon & Kim 2002
- Ifugoa
- Ifugoa Dworakowska & Pawar 1974
- Ifugoa media
- Ifugoa media Dworakowska 1980
- Ifugoa mikra
- Ifugoa mikra Dworakowska & Pawar 1974
- Ifuon
- Ifuon nutans
- Ifuon nutans (L.) Raf.
- Ifuon nutans Raf.
- Ifuon Raf.
- Ifuon Rafinesque 1838
- Ifuon Rafinesque, 1838
- ifurus Golotsvan 1998
- Iga formicina
- Iga formicina Ueno 1954
- Iga Uéno 1953
- Iga Ueno 1954
- igaboja (Oka 1906)
- igaboja Oka 1906
- Igagrilus
- Igagrilus Kurosawa 1981
- igaguri Tokioka 1953
- igaguria Harris V.A.P. & Iwasaki 1996
- igai It�Tat 1977
- igalis Hartman 1965
- Igambria foveolata Prest.
- igandersoni Skogsberg 1928
- Igapaludina
- Igapaludina Matsuoka 1985
- Igapaludina stricta
- Igapaludina stricta (Araki 1960)
- Igapophilus
- Igapophilus Mielke 1980
- Igapophilus rufus
- Igapophilus rufus Mielke 1980
- Igaraparana
- Igaraparana batesi
- Igaraparana batesi Hoffman 1982
- Igaraparana batesi Hoffman, 1982
- Igaraparana Hoffman 1982
- Igaraparana Hoffman, 1982
- igarashiensis Katayama 1957
- Igborichthys Clausen 1959
- Igborichthys Clausen 1959 sec. Eschmeyer 1998
- Igborichthys Clausen 1959 sec. Eschmeyer 2004
- Igdabatis Cappetta 1972
- Igdabatis indicus
- Igdabatis indicus Prasad & Cappetta 1993
- Igdabatis sigmodon
- Igdabatis sigmodon Cappetta 1972
- Igdabatis sigmoides
- Igdamanosaurus
- Igdamanosaurus Lingham-Soliar 1991
- Igecepeia Gaemers 1981
- Igene
- Igene bryx
- Igene bryx Kornicker 1992
- Igene bryx Kornicker, 1992
- Igene curtus
- Igene curtus Chavtur 1983
- Igene illex
- Igene illex Kornicker 1995
- Igene Kornicker 1975
- Igene walleni
- Igene walleni Kornicker 1975
- Igene walleni Kornicker, 1975
- Igenia
- Igenia dorsale
- Igenia dorsale (Pasc )
- Igenia Pascoe 1866
- [[Igenia Pascoe [1866]]]
- Igenia sp. Obrium Undionoides
- Igenia stigmosa
- Igenia stigmosa Pascoe 1866
- Igerna
- Igerna bimaculicollis
- Igerna elegantula
- Igerna elegantula (Distant )
- Igerna flavolineata
- Igerna flavolineata (Distant )
- Igerna flavovenosa
- Igerna flavovenosa Evans 1955
- Ighboulomyia atlasi
- Ighboulomyia atlasi Kassebeer
- Ighboulomyia atlasi Kassebeer 1999
- Ighboulomyia atlasi Kassebeer, 1999
- Ighboulomyia Kassebeer 1999
- Ighermia
- Ighermia A. Wiklund 1983
- Ighermia A. Wiklund, 1983
- Ighermia A.Wiklund
- Ighermia pinifolia
- Ighermia pinifolia (Maire & Wilcz.)
- Ighermia pinifolia (Maire & Wilcz.) Wikl.
- Ighermia pinifolia (Maire & Wilcz.) Wilk.
- Ighermia pinifolia (Maire & Wilczek) A.Wiklund
- Ighermia pinifolia (Maire & Wilczek) Wikl.
- Ighermia pinifolia (Maire & Wilczek) Wiklund
- Ighermia Wiklund
- Igidia Speta
- Igidia volubilis
- Igidia volubilis (H. Perrier) Speta
- Igidia volubilis (H.Perrier) Speta
- igiliense (Ferrara & Taiti 1978A)
- igiliense Ferrara & Taiti 1978A
- igiliensis Taiti & Ferrara 1980B
- Igioffius
- Igioffius taiganus
- Igioffius taiganus (Scalon 1950)
- Igioffius taiganus (Scalon, 1950)
- Igioffius Traub & Haddow 1983
- Igioffius Traub, Rothschild & Haddow 1983
- Igithalus
- Igithalus Rafinesque 1815
- Iglaberrima lubrica
- Iglesiella
- Iglesiella ichnusae
- Iglesiella ichnusae Rasetti 1972
- Iglesiella RASETTI 1972
- Iglesius
- Iglesius Costa 1883
- Iglica
- Iglica (Iglica) A.J. Wagner 1928
- Iglica (Iglica) absoloni (A.J. Wagner 1914)
- Iglica (Iglica) acicularis Angelov 1959
- Iglica (Iglica) concii (Allegretti 1944)
- Iglica (Iglica) elongata Kušcer 1933
- Iglica (Iglica) forumjuliana (Pollonera 1887)
- Iglica (Iglica) giustii Bodon & Giovanelli 1995
- Iglica (Iglica) gracilis (Clessin 1882)
- Iglica (Iglica) gratulabunda (A.J. Wagner 1910)
- Iglica (Iglica) hauffeni (Brusina 1886)
- Iglica (Iglica) kleinzellensis P. Reischütz 1981
- Iglica (Iglica) langhofferi A.J. Wagner 1928
- Iglica (Iglica) luxurians (Kuscer 1932)
- Iglica (Iglica) pezzolii Boeters 1971
- Iglica (Iglica) relicta (Kuscer 1937)
- Iglica (Iglica) tellinii (Pollonera 1887)
- Iglica (Iglica) vobarnensis (Pezzoli & Toffoletto 1968)
- Iglica (Iglica) wofischeri Reischuetz & Reischuetz 2004
- Iglica (Mervicia) Bole 1967
- Iglica (Mervicia) eximia Bole 1967
- Iglica (Raphica) alpheus Reischuetz & Reischuetz 2004
- Igma (Croserinema) Khan, Chawla & Saha 1976
- Ignabolivaria bilobata
- Ignabolivaria bilobata Chopard 1929
- Ignabolivaria bilobata Chopard, 1929
- Ignabolivaria bilobata Chopard,1929
- Ignabolivaria Chopard 1929
- Ignabolivaria ferganica
- Ignabolivaria ferganica Bekuzin 1966
- Ignabolivaria ferganica Bekuzin, 1966
- Ignabolivaria similis
- Ignabolivaria similis Bekuzin 1966
- Ignabolivaria similis Bekuzin 1970
- Ignabolivaria similis Bekuzin, 1966
- Ignacarus
- Ignacarus Gerecke 1999
- Ignacarus salarius
- Ignacarus salarius Gerecke 1999
- Ignacia
- Ignacia appendiculata
- Ignacia appendiculata Kirby 1904
- Ignacia appendiculata Kirby, 1904
- Ignacia auriculata
- Ignacia auriculata (BolÃvar 1896)
- Ignacia auriculata (BolÃvar, 1896)
- Ignacia auriculata (Bol�var 1896)
- Ignacia lobatipes
- Ignacia lobatipes Guenther 1938
- Ignacia lobatipes Gunther 1938
- Ignacia Rehn 1904
- Ignacianulus
- Igoceras campanula
- Igoceras campanula Tolmatchoff 1924
- Igoceras conularis
- Igoceras Hall 1859
- Igomichthys
- Igomichthys Heyler 1969
- Igora
- Igora Hesse 1925
- Igora repraesentatus
- Igora repraesentatus Hesse 1925
- Igorella
- Igorella arta
- Igorella arta Zhegallo 1996
- Igorella cyrtoliformis
- Igorella durara
- Igorella durara Kruse 1991
- Igorella hamata
- Igorella hamata Yu Wen 1979
- Igorella levis
- Igorella levis Zhegallo 1996
- Igorella minuta
- Igorella mioribis
- Igorella mioribis Jiang Zhiwen 1980
- Igorella Missarzheoskii 1975
- Igorella Missarzhevsky 1969
- Igorella monstrosa
- Igorella monstrosa Missarzheoskii 1975
- Igorella oblatis
- Igorella oblatis Jiang Zhiwen 1980
- Igriodus Branson & Mehl 1933
- Igua Borsuk-Bialynicka & Alifanov 1991
- Igua minuta
- Igua minuta Borsuk-Bialynicka & Alifanov 1991
- Iguaida
- Iguaida Thomson 1868
- Iguaira
- Iguaira poranga
- Iguaira poranga Salles & Lugo-Ortiz 2003
- Iguaira Salles & Lugo-Ortiz 2003
- Igualda
- Igualda posticalis
- Igualda posticalis Aurivillius 1923
- Igualda posticalis Aurivillius, 1923
- Igualda posticalis Blackwelder 1946
- Igualda posticalis Blackwelder, 1946
- Igualda posticalis Galileo & Martins 1991
- Igualda posticalis Galileo & Martins, 1991
- Igualda posticalis Gemminger & Harold 1873
- Igualda posticalis Gemminger & Harold, 1873
- Igualda posticalis Gilmour 1965
- Igualda posticalis Gilmour, 1965
- Igualda posticalis Lacordaire 1872
- Igualda posticalis Lacordaire, 1872
- Igualda posticalis Monné & Giesbert 1994
- Igualda posticalis Monné & Giesbert, 1994
- Igualda posticalis Monné 2002
- Igualda posticalis Monné, 1995
- Igualda posticalis Monné, 2002
- Igualda posticalis Monn� & Giesbert 1994
- igzo de Laubenfels 1930
- Ihambrek
- Ihambrek Argaman 1990
- iharae Jordan & Metz 1913
- Iharkutosuchus
- Iharkutosuchus makadii
- Iharkutosuchus makadii Osi, Clark & Weishampel 2007
- Iharkutosuchus Osi, Clark & Weishampel 2007
- iharosi (Rudescu 1964)
- iharosi Barto� 1941
- iharosi Pilato, Binda & Catanzaro 1991
- iharosi Vargha 1995
- Iharuusu tai orjanruusu
- Ihekaze diversa (Ito,1952)
- Ihekaze Ito 1984
- Ihekaze Ito, 1956
- Ihekaze Ito, 1984
- Iheringascaris
- Iheringascaris inquies
- Iheringascaris inquies (Linton 1901)
- Iheringascaris Pereira 1935
- Iheringascaris Pereira 1955
- Iheringella
- Iheringella isocardiodes
- Iheringella Pilsbry 1893
- Iheringella Pilsbry 1900
- Iheringi
- iheringi (Dautzenberg & amp; Fischer H. 1897)
- iheringi (Verhoeff 1951A)
- iheringi (Wright S. 1935)
- iheringi Cordero
- iheringi Fowler 1941
- iheringi Miranda Ribeiro 1915
- Iheringi Rahm 1928
- iheringi Tidd 1942
- iheringi Verhoeff 1951A
- iheringi Wright S. 1935
- Iheringia
- Iheringia biplagiata
- Iheringia biplagiata Simon, 1910
- Iheringia Cossmann 1899
- Iheringia fulva
- ihi Phillipps 1932
- Ihlea assymetrica
- Ihlea asymetrica
- Ihlea asymmetrica
- Ihlea m.
- Ihlea magalanhica
- Ihlea magalhanica
- Ihlea magalhanica (Apstein 1894)
- Ihlea magalhanica (Apstein, 1894)
- Ihlea magalhanlca
- Ihlea Metcalf 1918
- Ihlea Metcalf 1919
- [[Ihlea Metcalf [non Metcalf 1918] 1919]]
- Ihlea Metcalf, 1919
- Ihlea punctata
- Ihlea punctata (Forskål 1775)
- Ihlea punctata (Forskål, 1775)
- Ihlea punctata (Forsk�l 1775)
- Ihlea racovitzai
- Ihlea racovitzai (Van Beneden & Selys Longchamp 1913)
- Ihlea racovitzai (Van Beneden & Selys Longchamp, 1913)
- Ihlea racovitzai (van Beneden 1913)
- Ihlea racovitzai (van Beneden, 1913)
- Ihlea sp.
- Ihlegramma
- Ihlegramma Eitschberger 2003
- Ihlegramma ihlei
- Ihlegramma ihlei Eitschberger 2003
- ihlei Leene & Buitendijk 1949
- ihlei van Soest 1974
- Ihniotherium willsi Haubold & Sarjeant 1973
- Ihognomon neiyai Soares 1966
- Ihognomon noakesi
- Ihognomon noakesi Skwarko 1966
- Ihognomon soldanii
- Ihommi
- Ihommi Hering 1934
- Ihosyia
- Ihosyia nomita
- Ihosyia Verves 1989
- Ihpinoë Sars 1878
- Ihrambek anomocerus
- Ihrambek anomocerus (Crawford 1914)
- Ihrambek anomocerus (Crawford, 1914)
- Ihrambek Argaman 1990
- Ihringichthys
- Ihringichthys megalops
- Ihungia amberleya
- Ihungia bicarina
- Ihungia bicarina Marwick 1931
- Ihungia luteophila
- Ihungia luteophila Marwick 1931
- Ihungia Marwick 1931
- Ihungia ponderi
- Ihungia ponderi Maxwell 1988
- Ihurakis
- Ihurakis Marples 1959
- Ihurakius
- Ihurakius forsteri
- Ihurakius forsteri Marples 1959
- Ihurakius forsteri Marples, 1959
- Ihurakius Marples 1959
- Iialteria
- IIbidion intermedium
- IIbidion intermedium Martins 1962
- IIbidion intermedium MARTINS Ubirajara R., 1962
- IIbidion intermedium Martins, 1962
- Iidemyia microdonta
- Iidemyia microdonta (Kertesz 1908)
- Iidemyia Pujol-Luz 2008
- Iiella
- Iiella Bacescu, 1968
- Iiella elegans
- Iiella elegans (O. Tattersall 1960)
- Iiella elegans (O. Tattersall, 1960)
- Iiella elegans O. Tattersall 1960
- Iiella elegans O. Tattersall, 1960
- Iiella elegans Tattersall 1960
- Iiella formosensis
- Iiella formosensis (Ii 1964)
- Iiella formosensis (Ii, 1964)
- Iiella formosensis Ii 1964
- Iiella formosensis Ii, 1964
- Iiella hibii
- Iiella hibii (Ii 1964)
- Iiella hibii (Ii, 1964)
- Iiella hibii Ii 1964
- Iiella hibii Ii, 1964
- Iiella hispida
- Iiella hispida Jo & Murano 1992
- Iiella hispida Jo & Murano, 1992
- Iiella hispida Jo and Murano 1992
- Iiella hispida Jo and Murano, 1992
- Iiella iriomotensis
- Iiella iriomotensis Fukuoka & Murano 1997
- Iiella iriomotensis Fukuoka & Murano, 1997
- Iiella iriomotensis Fukuoka and Murano 1997
- Iiella iriomotensis Fukuoka and Murano, 1997
- Iiella kojimaensis
- III Koppen
- iii Nouvel & Lagard�re 1976
- Iii. Creodonta
- Iii. Gastropoda
- Iii. Insectivora
- Iii. Polyplacophora
- Iii. Rhizopoda
- Iii. Scaphopoda
- Iijima Bergendal 1890
- iijimae (Jordan & Starks 1904)
- iijimae Jordan & Starks 1904
- Iijimia
- Iijimia Bergendal 1892
- Iimonia stigmatica
- Iimysis
- Iimysis atlantica
- Iimysis atlantica (Nouvel 1942)
- Iimysis atlantica (Nouvel, 1942)
- Iimysis atlantica Nouvel 1942
- Iimysis Nouvel 1966
- Iimysis Nouvel, 1966
- Iimysis orientalis
- Iimysis orientalis (Ii 1937)
- Iimysis orientalis (Ii, 1937)
- Iimysis orientalis Ii 1937
- Iiquidambar styraciflua L.
- Iishibaea E. Iishiba 1934
- Iishibaea E. Iishiba, 1934
- Iittorina kozaiensis
- Iittorina kozaiensis Nomura & Onisi 1940
- Iiybius ignarus
- Ija Kovalev 1981
- Ija problematica
- Ija problematica Kovalev
- Ija problematica Kovalev 1981
- Ija problematica Kovalev, 1981
- Ijablatta
- Ijablatta maculata
- Ijablatta maculata Vishnyakova 1983
- Ijablatta Vishnyakova 1983
- Ijacephalus
- Ijacephalus convexus
- Ijacephalus convexus Ogienko 1974
- Ijacephalus figuratus
- Ijacephalus figuratus Ogienko 1984
- Ijacephalus foveolatus
- Ijacephalus foveolatus Ogienko 1974
- Ijacephalus OGIENKO 1974
- Ijacephalus solus
- Ijacephalus solus Ogienko 1974
- Ijacossus
- Ijacossus Bekker-Migdisova 1950
- Ijacossus ivanovi
- Ijacossus ivanovi Bekker-Migdisova 1951
- Ijacossus sibirica
- Ijacossus sibirica Bekker-Migdisova 1951
- Ijacossus suchanovae
- Ijacossus suchanovae Bekker-Migdisova 1950
- Ijacossus suchanovae Bekker-Migdisova 1951
- Ijagar
- Ijdranella atlasica
- Ijdranella atlasica Bassoullet, Boutakiout & Echarfaoui 1999
- Ijdranella Bassoullet, Boutakiout & Echarfaoui 1999
- Ijima Bergendal 1890
- Ijimadictyum
- Ijimadictyum Mehl 1992
- Ijimadictyum Mehl, 1992
- ijimae (Ferrer-Hernandez 1932)
- ijimae (Jordan & Metz 1913)
- ijimae (Schulze 1899)
- ijimae Ferrer-Hernandez 1932
- ijimae Goto 1894
- ijimae Jordan & Metz 1913
- ijimae Jordan & Snyder 1901
- ijimae Jordan & Thompson 1914
- ijimae Schulze 1899
- ijimae Stejneger 1898
- ijimai
- ijimai (Hozawa 1916)
- ijimai (Ikeda 1908)
- ijimai (Izuka 1912)
- ijimai (Jordan & Thompson 1914)
- ijimai (Kinoshita 1907)
- ijimai (Kinoshita 1909)
- ijimai (Lebwohl 1914)
- ijimai (Mitsukuri)
- ijimai Hara & Okada 1921
- ijimai Hozawa 1916
- ijimai Ikeda 1908
- ijimai Izuka 1903
- ijimai Izuka 1912
- ijimai Jordan & Snyder 1901
- Ijmaiella Tabachnik 2002
- Ijuhya aquifolii
- Ijuhya aquifolii (Cooke & Ellis) Rossman & Samuels
- Ijuhya aquifolii (Cooke & Ellis) Rossman & Samuels 1999
- Ijuhya bambusina
- Ijuhya bambusina (Syd. & P. Syd.) Rossman & Samuels
- Ijuhya bambusina (Syd. & P. Syd.) Rossman & Samuels 1999
- Ijuhya chilensis
- Ijuhya chilensis (Speg.) Rossman & Samuels
- Ijuhya chilensis (Speg.) Rossman & Samuels 1999
- Ijuhya corynespora
- Ijuhya corynespora (Samuels) Rossman & Samuels
- Ijuhya corynespora (Samuels) Rossman & Samuels 1999
- Ijuhya corynospora
- Ijuhya corynospora (Samuels) Rossman & Samuels
- Ijuhya corynospora (Samuels) Rossman & Samuels 1999
- Ijuhya dentifera
- Ijuhya dentifera (Samuels) Rossman & Samuels
- Ijuhya dentifera (Samuels) Rossman & Samuels 1999
- Ijuhya dictyospora
- Ijuhya dictyospora (Rossman) Rossman & Samuels
- Ijuhya dictyospora (Rossman) Rossman & Samuels 1999
- Ijuhya hongkongensis
- Ijuhya hongkongensis J. Fröhl. & K. D. Hyde 2000
- Ijuhya hongkongensis J. Fröhl. & K.D. Hyde
- Ijuhya hongkongensis J. Fröhl. & K.D. Hyde 2000
- Ijuhya hubeiensis
- Ijuhya hubeiensis Y. Nong & W.Y. Zhuang
- Ijuhya hubeiensis Y. Nong & W.Y. Zhuang 2007
- Ijuhya K. Starbäck, 1899
- Ikahoiulus leucosoma
- Ikahoiulus leucosoma Takakuwa 1941
- Ikahoiulus leucosoma Takakuwa, 1941
- Ikahoiulus Takakuwa 1941
- Ikahoiulus Takakuwa, 1941
- ikaitophila S�rensen & Kristensen 2000
- Ikakogi Guayasamin, Castoviejo-Fisher, Trueb, Ayarzaguena, Rada & Vila 2009
- Ikakogi tayarona (Ruiz-Carranza & Lynch 1991)
- Ikakogi tayrona
- Ikamauis
- Ikamauis ensifer
- Ikamauius
- Ikamauius ensifer
- Ikamauius ensifer (Davis 1888)
- Ikamauius ensifer (Davis 1890)
- Ikamauius ensifer (Davis, 1888) E
- Ikamauius Keyes 1979
- Ikamuius
- Ikanogavialis
- Ikanogavialis gameroi
- Ikanogavialis gameroi Sill 1970
- Ikanogavialis Sill 1970
- Ikaoiulus leucosoma
- ikapor Lesson 1831
- ikarii (Uchida 1927)
- ikarii Uchida 1924
- ikarii Uchida 1927
- Ikarotocepheus
- Ikarotocepheus alatus
- Ikebea amphistriata
- Ikebea amphistriata S. Komura
- Ikebea bifurcata
- Ikebea bifurcata S. Komura
- Ikebea clavata
- Ikebea clavata S. Komura
- Ikebea coronata
- Ikebea coronata S. Komura
- Ikebea Kormura 1975
- Ikebea robusta
- Ikebea robusta S. Komura
- Ikebea S. Komura 1975
- Ikebea tenuis
- Ikebea tenuis (J. Brun) F. Akiba
- Ikechaoamia
- Ikechaoamia Liu 1961
- Ikechaoamia meridionalis
- Ikechaoamia meridionalis Zhang & Zhang Hong 1980
- Ikechaoamia orientalis
- Ikechaoamia orientalis Liu
- Ikechaoamia orientalis Liu 1961
- Ikechcoamia
- Ikechcoamia Liu 1961
- Ikechosaurus
- Ikechosaurus gaoi
- Ikechosaurus gaoi Lu, Kobayashi & Li 2000
- Ikechosaurus pijiagouensis
- Ikechosaurus pijiagouensis Liu 2004
- Ikechosaurus Sigogneau-Russell 1981
- Ikiprimus ikiijeus
- Ikiprimus ikiijeus Sasa & Suzuki 1999
- Ikiprimus ikiijeus Sasa & Suzuki, 1999
- Ikiprimus Sasa & Suzuki 1999
- Ikisecundus
- Ikisecundus ikijekeus
- Ikisecundus ikijekeus Sasa & Suzuki 1999
- Ikisecundus ikijekeus Sasa & Suzuki, 1999
- Ikisecundus Sasa & Suzuki 1999
- Ikomella
- Ikomella confersa
- Ikomella confersa Ishihara 1961
- Ikomella Ishihara 1961
- Ikondiana
- Ikondiana Berio 1972
- Ikondiana ikondae
- Ikondiana ikondae Berio 1972
- Ikonnikovia
- Ikonnikovia Beï-Bienko 1935
- Ikonnikovia I. A. Linczevski in B. K. Schischkin et E. G. Bobrov, 1952
- Ikonnikovia I.A. Linczevski in B.K. Schischkin & E.G. Bobrov 1952
- Ikonnikovia kaufmanniana
- Ikonnikovia kaufmanniana (Regel) Lincz.
- Ikonnikovia kaufmanniana (Regel) Linczevski
- Ikonnikovia Lincz.
- Ikonnikovia philippina
- Ikonnikovia philippina Bei-Bienko 1935
- Ikonnikovia philippina Bei-Bienko, 1935
- Ikonza
- Ikonza Hesse 1925
- Ikonza lawrencei
- Ikonza lawrencei Hesse 1925
- Ikonza lawrencei Hesse, 1925
- Ikopista
- Ikopista Fairmaire 1901
- Ikopista lutosa
- Ikopista lutosa Fairmaire 1901
- Ikopista lutosa Fairmaire, 1901
- Iksalonca Argaman 1996
- Iksookimia
- Iksookimia choii
- Iksookimia choii (Kim & Son 1984)
- Iksookimia choii (Kim & Son 1994)
- Iksookimia choii (Kim & Son, 1984)
- Iksookimia choii (KIM and SON, 1984)
- Iksookimia hugowlfeldi (NALBANT, 1993)
- Iksookimia hugowolfeldi
- Iksookimia hugowolfeldi (NALBANT, 1993)
- Iksookimia hugowolfeldi Nalbant 1993
- Iksookimia hugowolfeldi Nalbant 1993 sec. Eschmeyer 2004
- Iksookimia hugowolfeldi Nalbant, 1993
- Iksookimia hugwolfeldi
- Iksookimia koreensis
- Iksookimia koreensis (Kim 1975)
- Iksookimia koreensis (Kim, 1975)
- Iksookimia koreensis (KIM, CHOI and NALBANT, 1976)
- Iksookimia lebedevi
- Iksookimia lebedevi (Vasilieva & Vasiliev 1985)
- Iksookimia longicoprus (KIM, CHOI and NALBANT, 1976)
- Iksookimia longicorpa
- Iksookimia longicorpa (Kim, Choi & Nalbant 1976)
- Iksookimia longicorpa (Kim, Choi & Nalbant, 1976)
- Iksookimia longicorpa (Kim, Choi and Nalbant, 1976)
- Iksookimia longicorpus
- Iksookimia longicorpus (Kim, Choi & Nalbant 1976)
- Iksookimia longicorpus (Kim, Choi & Nalbant, 1976)
- Iksookimia longicorpus (KIM, CHOI and NALBANT, 1976)
- Ikuma Lawrence 1938
- Ikuma spiculosa
- Ikuma spiculosa (Lawrence 1927)
- Ikuma spiculosa (Lawrence, 1927)
- Ikuma squamata
- Ikuma squamata Lawrence 1938
- Ikuma squamata Lawrence, 1938
- Ilabrinus
- Ilabrinus Girault 1914
- Ilacuris
- Ilacuris laticollis
- Ilacuris laticollis Pascoe, F.P. 1865
- Ilacuris laticollis Pascoe, F.P., 1865
- Ilacuris Pascoe 1865
- Iladrosaurus minor
- Ilaematopinus aperis
- Ilaenchus
- Ilaenchus BASILEWSKY & GRUNDMANN 1954
- Ilaenchus Lucnik 1933
- Ilaenchus LUTSHNIK 1933
- Ilaenus
- Ilaenus americanus
- Ilaenus arenaceus
- Ilaenus arenaceus Whittard 1938
- Ilaenus balclatchiensis
- Ilaenus bayfieldi
- Ilaenus fluvialis
- Ilaenus proles shelvensis
- Ilaenus proles shelvensis Whittard 1938
- Ilaenus roemeri transversalis
- Ilaenus roemeri transversalis Reed 1931
- Ilaenus stenorkachis
- Ilaenus stenorkachis Harrington 1938
- Ilaesa
- Ilaesa flavisquamis
- Ilaesa flavisquamis Robineau-Desvoidy 1863
- Ilbandornis
- Ilbandornis lawsoni
- Ilbandornis Rich 1979
- Ilbandornis woodburnei
- Ilbandornis woodburnei Rich 1979
- Ilbandornis? lawsoni
- Ilbandornis? lawsoni Rich 1979
- Ilbia
- Ilbia Burn 1963
- Ilbia ilbi
- Ilbia ilbi Burn 1963
- Ilbia mariana
- Ilbia mariana Hoff & Carlson 1990
- Ilbiidae
- Ilbiinae
- Ilbiinae Burn 1963
- Ilbinae
- Ilburnia
- Ilburnia acuta
- Ilburnia acuta Muir 1919
- Ilburnia acuta Muir 1919 sec. Beattie 1994
- Ilburnia acuta Muir 1919 sec. Gagné 1974
- Ilburnia acuta Muir 1919 sec. Giffard 1922
- Ilburnia acuta Muir 1919 sec. Nishida 2001
- Ilburnia acuta Muir 1919 sec. Swezey 1954
- Ilburnia acuta Muir, 1919
- Ilburnia ahinahima
- Ilburnia ahinahima Muir 1922
- Ilburnia ahinahima Muir, 1922
- Ilccatoeus Jacoby 1888
- Ilchunaia
- Ilchunaia parca
- Ilchunaia parca Rusconi 1946
- Ildefonsia bibracteata
- Ildefonsia bibracteata Gardner
- Ildefonsia G. Gardner 1842
- Ildefonsia G. Gardner, 1842
- Ildefonsia Gardner
- Ildefonsus
- Ildefonsus ampliatus
- Ildefonsus ampliatus Pericart 1985
- Ildefonsus Distant 1910
- Ildefonsus Distant 1911
- Ildefonsus distanti
- Ildefonsus distanti Li & Zheng 2006
- Ildefonsus javanus
- Ildefonsus javanus Pericart 2000
- Ildefonsus nepalensis
- Ildefonsus nepalensis Tomokuni 1981
- Ildefonsus nexus
- Ildefonsus nexus Drake & Ruhoff 1961
- Ildefonsus provosus
- Ildefonsus provosus Distant 1911
- Ildibaha
- Ildibaha acanthomasta
- Ildibaha acanthomasta Mello-Leitao, 1945
- Ildibaha albomaculata
- Ildibaha albomaculata Keyserling 1893
- Ildibaha albomaculata Keyserling, 1892
- Ildibaha fericula
- Ildibaha fericula Mello-Leitao, 1932
- ildibaha Grasshoff 1999
- Ilea bertolonii
- Ilea bertolonii Meneghini ex Zanardini
- Ilea caespitosa
- Ilea caespitosa (J. Agardh) Nordstedt
- Ilea caespitosa (J. Agardh) Nordstedt 1912
- Ilea clathrata
- Ilea clathrata (Roth) Gaillon
- Ilea clathrata uncinata
- Ilea clathrata uncinata (Lyngbye) De Notaris
- Ilea clathrata var. uncinata
- Ilea clathrata var. uncinata (Lyngbye) De Notaris
- Ilea compressa
- Ilea compressa (Linnaeus) Gaillon
- Ilea compressa crinita
- Ilea compressa crinita Zanardini
- Ilea compressa crinita Zanardini 1841
- Ilea compressa var. crinita
- Ilea compressa var. crinita Zanardini
- Ilea crassicornis
- Ilea crassicornis (Koch )
- Ilea E. M. Fries, 1825
- Ilea E. M. Fries, 1835
- Ilea E.M. Fries 1825
- Ilea E.M. Fries 1835
- Ilea fascia
- Ilea fascia (Mull.) Fr.
- Ilea fascia (O. F. Müller) Fries
- Ilea fascia (O. F. Müller) Fries 1835
- Ilea fascia (O.F. Müller) Fries
- Ilfeldia W. Remy 1953
- Ilfeldia W. Remy, 1953
- Ilfremeria
- Ilfremeria Bouchet & Waren 1991
- Ilfremeria nautilei
- Ilgazina Erdogan 1995
- Ilgazina unilateralis
- Ilgazina unilateralis Erdogan 1995
- ilhabelae Hartmann-Schr�der 1956
- Ilhaia
- Ilhaia (Gonylept.) cuspidata Roewer 1913
- Ilhaia (Roewer 1913)
- Ilhaia anomala
- Ilhaia anomala (Mello Leitao 1936)
- Ilhaia anomala (Mello-Leitao 1936)
- Ilhaia bimaculata
- Ilhaia bimaculata (Mello Leitao 1932)
- Ilhaia bimaculata Soares & Soares 1949
- Ilhaia cuspidata
- Ilhaia cuspidata (Roewer 1913)
- Ilhaia cuspidata Roewer 1913
- Ilhaia cuspidate
- Ilhaia cuspidate (Roewer 1913)
- Ilhaia fidelis
- Ilhaia fidelis (Mello Leitao 1931)
- Ilhaia fidelis (Mello-Leitao 1931)
- Ilhaia fluminensis
- Ilhaia fluminensis (Mello-Leitao 1922)
- Ilhaia fluminensis Mello-Leitao 1922
- Ilhaia granulosa (Mello-Leitao 1931)
- Ilhaia holacantha
- Ilhaia holacantha (Mello Leitao 1927)
- Ilhaia holacantha (Mello-Leitao 1927)
- Ilhaia incisa (Mello leitao 1935)
- Ilhaia incisa (Mello-leitao 1935)
- Ilhaia incisa leitao
- Ilhaia insulana
- Ilia (?) Valdellae
- Ilia Baranov 1938
- Ilia Hartman 1881
- Ilia isabella
- Ilia Leach 1817
- Ilia Leach, 1817
- Ilia nucleus
- Ilia nucleus (Herbst )
- Ilia nucleus (Linnaeus 1758)
- Ilia nucleus (Linnaeus, 1758)
- Ilia nucleus Linnaeus, 1758
- Ilia rugulosa Roux
- Ilia spinosa
- Ilia spinosa Miers 1881
- Ilia spinosa Miers, 1881
- Iliacanta
- Iliacanta sparsa
- Iliacantha
- Iliacantha hancocki
- Iliacantha hancocki Rathbun 1935
- Iliacantha hancocki Rathbun, 1935
- Iliacantha Hesse 1871
- Iliacantha intermedia
- Iliacantha intermedia (Miers 1886)
- Iliacantha intermedia Miers 1886
- Iliacantha intermedia Miers, 1886
- Iliacantha liodactylus
- Iliacantha liodactylus (Olivier, 1804)
- Iliacantha liodactylus M. J. Rathbun 1898
- Iljinella Roshka 1973
- Iljinella Roshka 1978
- iljini Berg 1931
- iljini Vasil'yeva & Vasil'ev 1996
- Iljinia
- Iljinia de Buen 1930
- Iljinia de Buen 1930 sec. Eschmeyer 1998
- Iljinia de Buen 1930 sec. Eschmeyer 2004
- Iljinia de Buen 1931
- Iljinia Korovin
- Iljinia Korovin & Korovin
- Iljinia Korovin ex M. M. Iljin in B. K. Schischkin, 1936
- Iljinia Korovin ex M.M. Iljin in B.K. Schischkin 1936
- Iljinia regelii
- Iljinia regelii (Bunge) Korovin
- Iljinicyathus
- Iljinicyathus Zhuravleva 1972
- Ilkamilka
- Ilkamilka Argaman 1996
- Illa Adans.
- Illa Adanson 1763
- Illa Adanson, 1763
- Illa Baranov 1938
- Illa Baranov, 1938
- Illa mirabilis
- Illa mirabilis Baranov 1938
- Illa mirabilis Baranov, 1938
- Illa nefanda
- Illa nefanda Warren 1914
- Illa Warren 1914
- Illacme
- Illacme Cook & Loomis 1928
- Illacme Cook & Loomis, 1928
- Illacme plenipes
- Illacme plenipes Cook & Loomis 1928
- Illacme plenipes Cook & Loomis, 1928
- Illadopsis
- Illadopsis abyssinica
- Illadopsis abyssinica (Ruppell 1840)
- Illadopsis abyssinica (Ruppell) 1840
- Illadopsis abyssinica (Ruppell, 1840)
- Illadopsis abyssinica atriceps
- Illadopsis abyssinica monachus
- Illadopsis abyssinicus
- Illadopsis albipectus
- Illadopsis albipectus (Reichenow 1887)
- Illadopsis albipectus (Reichenow) 1887
- Illadopsis albipectus (Reichenow, 1887)
- ilma (Clarke 1899)
- ilma Clarke 1899
- Ilma irvina
- Ilma irvina Plotz
- Ilma irvina Plötz 1886
- Ilma irvina Pl�tz 1886
- Ilma jovina
- Ilma jovina Swinhoe 1905
- Ilma Swinhoe 1905
- Ilmarinia
- Ilmarinia dimorpha
- Ilmarinia dimorpha Öpik
- Ilmarinia dimorpha Opik 1934
- Ilmarinia Öpik 1934
- Ilmarinia ponderosa
- Ilmarinia ponderosa Opik 1934
- Ilmarinia sinuata (Pahlen)
- ilmenensis (Warpachowski 1886)
- ilmenensis Warpachowski 1886
- Ilmenia
- Ilmenia (?) tenuicostata
- Ilmenia (Moravilla) ficneri
- Ilmenia altovae
- Ilmenia altovae Nalivkin 1941
- Ilmenia askynica
- Ilmenia dafengmenensis
- Ilmenia dafengmenensis Wang
- Ilmenia dafengmenensis Wang et al 1974
- Ilmenia ficneri
- Ilnacora (C.) stali
- Ilnacora (I.) divisa
- Ilnacora albifrons
- Ilnacora albifrons Knight 1963
- Ilnacora albifrons Knight, 1963
- Ilnacora arizonae
- Ilnacora arizonae Knight 1963
- Ilnacora arizonae Knight, 1963
- Ilnacora arnaudi
- Ilnacora arnaudi Carvalho 1986
- Ilnacora chihuahuaensis
- Ilnacora chihuahuaensis Knight & Schaffer 1976
- Ilnacora chloris
- Ilnacora chloris (Uhler 1877)
- Ilnacora chloris (Uhler, 1877)
- Ilnacora divisa
- Ilnacora divisa Reuter 1876
- Ilnacora divisa Reuter, 1876
- Ilnacora dreisbachi
- Ilnacora dreisbachi Knight 1963
- Ilnacora furcata
- Ilnacora furcata Knight 1963
- Ilnacora furcata Knight, 1963
- Ilnacora illini
- Ilnacora illini Knight 1941
- Ilnacora illini Knight, 1941
- Ilnacora infusca
- Ilnacora infusca Knight & Schaffer 1976
- Ilnacora inusta
- Ilobates subopacus
- Ilobates subopacus Palm 1935
- Ilobia
- Ilobia lugatoria
- Ilobia lugatoria Seyrig 1952
- Ilobia Seyrig 1952
- Ilocania
- Ilocania Merr.
- Ilocania Merrill 1918
- Ilocania Merrill, 1918
- Ilocania pedata
- Ilocania pedata Merr.
- Ilocano
- Ilocano hebardi
- Ilocano hebardi Rehn, J.A.G. & J.W.H. Rehn 1939
- Ilocano hebardi Rehn, J.A.G. & J.W.H. Rehn, 1939
- Ilocano ranarius
- Ilocano ranarius (Westwood 1859)
- Ilocano ranarius (Westwood, 1859)
- Ilocano Rehn & Rehn 1939
- Ilocano Rehn 1939
- Ilocano Rehn and Rehn
- ilocanus Herre 1928
- Ilocomba
- Ilocomba Brescovit 1996
- Ilocomba Brescovit 1997
- Ilocomba marta
- Ilocomba marta Brescovit 1996
- Ilocomba marta Brescovit 1997
- Ilrenicodes
- Ilrenicodes Meyrick 1919
- Ilsanella aksarinae
- Ilsanella aksarinae Zhegallo 1996
- Ilsanella applanata
- Ilsanella applanata Parkhaev 2001
- Ilsanella atdabanica
- Ilsanella compressa
- Ilsanella compressa Zhegallo 1982
- Ilsanella critica
- Ilsanella critica Barskova 1987
- Ilsanella diversa
- Ilsanella diversa Barskova 1988
- Ilsanella galinae
- Ilsanella galinae Barskova 1988
- Ilsanella historica
- Ilsanella historica Barskova 1987
- Ilsanella mawu
- Ilsanella mawu Kruse 1998
- Ilsanella Missarzhevskij 1981
- Ilsanella oblonga
- Ilsanella orectes
- Ilsanella plana
- Ilsanella plana Barskova 1987
- Ilsanella reticulata
- Ilsanella reticulata Zhou & Xiao 1985
- Ilsanella rozanovi
- Ilsanella rozanovi Wang Bing 1994
- Ilsanella savitskii
- Ilsanella spl
- Ilsanella uniformis
- Iltisia
- Iltisia echandiensis
- Iltisia echandiensis R. King & H. Robinson
- Iltisia echandiensis R. M. King & H. Rob.
- Iltisia echandiensis R.M.King & H.Rob.
- Iltisia repens
- Iltisia repens S.F. Blake
- Iltisia repens S.F.Blake
- Iltisia S. F. Blake, 1958
- Iltisia S.F. Blake
- Iltisia S.F. Blake 1958
- Iltisia S.F.Blake
- Iltovirus
- Iluanthos clavus
- Iluanthos Forbes 1840
- Iluanthos mitchelli
- Iluanthos mitchellii
- Iluanthos mitchellii Gosse 1853
- Iluanthos mitchellii Gosse, 1853
- Ilucocoetes
- Ilucocoetes fimbriatus
- Ilucocoetes fimbriatus fasciatus
- Ilucocoetes fimbriatus fasciatus LÃ nnberg, 1905
- Ilucocoetes fimbriatus fasciatus Lönnberg, 1905
- Ilucocoetes fimbriatus subsp. fasciatus
- Ilucocoetes fimbriatus subsp. fasciatus Lönnberg 1905
- Ilucocoetes fimbriatus subsp. fasciatus Lönnberg 1905 sec. Eschmeyer 2004
- Ilucocoetes fimbriatus subsp. fasciatus Lönnberg, 1905
- Ilucocoetes fimbriatus subsp. fasciatus L�nnberg 1905
- ilucoeteoides Bleeker 1855
- Ilucoetes
- Ilucoetes facali
- Ilucoetes facali Lloris & Rucabado 1987
- Ilucoetes facali Lloris & Rucabado, 1987
- Iluka
- Iluka Chandler 2001
- Iluka punctatus
- Iluka punctatus (Raffray )
- Iluka punctatus (Raffray 1900)
- Iluka punctatus (Raffray)
- Iluocaetes
- Iluocaetes Guichenot 1849
- Ilva nigrosignata
- Ilva nigrosignata Stål 1866
- Ilva nigrosignata Stål, 1866
- Ilva nigrosignata St�l 1866
- Ilva Stal 1865
- Ilva Stål 1866
- ilvae George 2001
- ilvae Giere & Erseus 2002
- ilvana Castelli 1985
- Ilvanella
- Ilvanella inexpectata
- Ilvanella inexpectata Taglianti 1971
- Ilvanella Taglianti 1971
- Ilvanella Vigna-Taglianti 1971
- Ilvini
- Ilvini Emeljanov 1991
- Ilwcypris clivosa Zanina 1962
- Ilyactis torquata
- Ilyactis torquata Andrès, 1881
- Ilyanassa
- Ilyanassa (Nassarius) obsoleta
- Ilyanassa (Paranassa)
- Ilyanassa (Paranassa) aratum deleon ensis Tucker 1931
- Ilyanassa (Paranassa) porcinum
- Ilyanassa (Stimps. )
- Ilyanassa arata
- Ilyanassa corbis
- Ilyanassa egg
- Ilyanassa expansa Brandt 1970
- Ilyanassa floridana
- Ilyanassa granifera
- Ilyanassa granifera (Conrad 1868)
- Ilyanassa harpuloides
- Ilyanassa irrorata
- Ilyanassa isogramma
- Ilyanassa johnsoni
- Ilyanassa marthae
- Ilyanassa obsdeta
- Ilyanassa obsoleta
- Ilyanassa obsoleta (Say 1822)
- Ilyanassa obsoleta (Say, 1822)
- Ilyanassa obsoleta Say
- Ilyanassa obsoleta Say 1822
- Ilyanassa obsoletus
- Ilyanassa obsoletus (Say) 1822
- Ilyanassa otsoleta
- ima (Sirenko 1975)
- ima Brady 1880
- ima Cottarelli 1989
- Ima fusca
- Ima fusca Tindale 1924
- Ima fusca Tindale, 1924
- Ima loxoscia
- Ima loxoscia Turner 1913
- Ima platyxantha
- ima Sirenko 1975
- Ima Tind.
- Ima Tindale 1924
- Imacanthyris
- Imacanthyris bortegensis
- Imacanthyris bortegensis Grunt 1991
- Imacanthyris Grant 1991
- Imacanthyris Grunt 1991
- Imachra
- Imachra albosuturalis
- Imachra albosuturalis Morimoto & Miyakawa 1996
- Imachra bifasciata
- Imachra bifasciata Morimoto & Miyakawa 1996
- Imachra Pascoe
- Imachra Pascoe 1873
- Imachra Pascoe 1874
- [[Imachra Pascoe [1874]]]
- Imachra ruficollis
- Imachra ruficollis Pascoe 1874
- Imachra sabahna
- Imbabura Distant 1911
- Imbabura typica
- Imbabura typica Distant 1911
- Imbalan
- Imbalan Hesse 1925
- Imbalan squamifer
- Imbalan squamifer Hesse 1925
- Imbalara
- Imbalara Hesse 1925
- Imbalara squamifer
- Imbalara squamifer Hesse 1925
- Imbalara squamifer Hesse, 1925
- Imbatodinium
- Imbatodinium antennatum
- Imbatodinium antennatum Gitmez & Sarjeant 1972
- Imbatodinium exiguum
- Imbatodinium exiguum (Alberti 1961)
- Imbatodinium fractum
- Imbatodinium fractum Mehrotra & Sarjeant 1984
- Imbatodinium fractum N. C. Mehrotra & W. A. S. Sargeant
- Imbatodinium gochtii
- Imbatodinium gochtii (Alberti 1961)
- Imbatodinium imbatodinensis
- Imbatodinium imbatodinensis Vozzhennikova 1967
- Imbatodinium imbatodiniensis
- Imbatodinium imbatodiniensis Vozzhennikova 1967
- Imbatodinium inflatum
- Imbatodinium inflatum Harker & Sarjeant 1990
- Imbatodinium inflatum Harker & Sarjeant 1991
- Imdentistella Grunt 1991
- Imdentistella khabtagaica
- Imdentistella khabtagaica Grunt 1991
- Imdricaria
- Imdricaria Habe & Kosuge 1966
- Imelcana
- Imelcana camelina
- Imelcana camelina Razowski & Wojtusiak 2006
- Imelcana Razowski & Wojtusiak 2006
- Imelda
- Imelda aenetus
- Imelda aenetus (Hewitson 1874)
- Imelda aenetus Hewitson 1874
- Imelda aenetus leucophryne
- Imelda aenetus leucophryne Stichel 1911
- Imelda constricticollis
- Imelda constricticollis (Bates 1889)
- Imelda constricticollis Bates 1890
- Imelda constricticollis Bates, 1890
- Imelda Dellacasa, Gordon & Dellacasa 2002
- Imelda demathani
- Imelda demathani (D'Abera 1994)
- Imelda demathani D'Abera 1994
- Imelda demathani D'Abrera 1994
- Imelda glaucosmia
- Imelda glaucosmia Hew.
- Imelda glaucosmia Hewitson 1870
- Imelda Hewitson 1870
- Imelda kadenii
- Imelda kadenii Felder & Felder 1861
- Imelda kadenii Felder 1861
- Imelda leucophryne
- Imelda leucophryne Stichel 1911
- Imelda mycea
- Imhastomia S. V. Mejen, 1965
- Imhastomia S.V. Mejen 1965
- Imhoffia
- Imhoffia Heer 1849
- [[Imhoffia Heer [1849]]]
- Imhoffia Heer, 1850
- Imhoffia nigra
- Imhoffia nigra Heer
- Imhoffia nigra Heer 1850
- Imhoffia nigra Heer, 1850
- Imhoffia pallida
- Imhoffia pallida Heer
- Imhoffia pallida Heer 1867
- Imhoffia pallida Heer, 1867
- Imhoffichthys
- Imhoffichthys Whitley 1951
- Imhofficthys
- Imhofficthys Whitley 1951
- Imhoffius
- Imhoffius Chabanaud
- Imhoffius Chabanaud 1940
- Imhoffius lutelianus
- Imhoffius lutelianus Chabanaud 1940
- Imhoffius lutetianus
- Imhofia
- Imhofia amabilis
- Imhofia amabilis Kuntze
- Imhofia bergiana
- Imhofia bergiana Kunth
- imiceps Jordan & Gilbert 1882
- Imicles
- Imicles aquatica
- Imicles aquatica "(Cabello
- Imicles aquatica (Cabello, Mengasc. & Aramb.) Shoemaker & Hambl. 2001
- Imicles bambusae
- Imicles bambusae (M. B. Ellis) Shoemaker & Hambl. 2001
- Imicles bambusae (M.B. Ellis) Shoemaker & Hambl.
- Imicles bambusae (M.B. Ellis) Shoemaker & Hambl. 2001
- Imicles carrii
- Imicles carrii (Morgan-Jones) Shoemaker & Hambl.
- Imicles carrii (Morgan-Jones) Shoemaker & Hambl. 2001
- Imicles heterocateniformis
- Imicles heterocateniformis (Matsush.) Shoemaker & Hambl.
- Imicles heterocateniformis (Matsush.) Shoemaker & Hambl. 2001
- Imicles leptospora
- Imicles leptospora (Sacc. & Roum.) Shoemaker & Hambl.
- Imicles leptospora (Sacc. & Roum.) Shoemaker & Hambl. 2001
- Imicles pseudobambusae
- Imicles pseudobambusae (P. M. Kirk) Shoemaker & Hambl. 2001
- Imicles pseudobambusae (P.M. Kirk) Shoemaker & Hambl.
- Imicles pseudobambusae (P.M. Kirk) Shoemaker & Hambl. 2001
- Imicles Shoemaker & Hambl. 2001
- Imicles Shoemaker & Hambleton 2001
- imicola (Dollfus 1903)
- Imidronea
- Imidronea atlantica
- Imilce
- Imilce Flugel 1986
- Imlayiceras Frebold 1963
- Imlayiceras Leanza 1967
- Imlayoceras
- Imlayoceras Frebold 1963
- Imleanga
- Imleanga fluviatilis
- Imleanga fluviatilis Lucas 1901
- Imleanga Lucas 1901
- Imleonga quadrilinea completa
- Imlerella
- Imlerella Loch & Taylor 2004
- Imlerella praecipita
- Imlerella praecipita Loch & Taylor 2004
- Imma accuralis
- Imma accuralis Walker 1859
- Imma acosma
- Imma acosma (Turner 1900)
- Imma acosma Turner 1900
- Imma acribes
- Imma acribes Durrant 1916
- Imma acrognampta
- Imma acrognampta Meyrick 1930
- Imma acroptila
- Imma acroptila Meyrick 1906
- Imma aeluropis
- Imma aeluropis Meyrick 1906
- Imma albifasciella
- Imma albifasciella Pagenstecher 1900
- Imma albofascia
- Imma albofascia Felder 1861
- Imma albotaeniana
- Imma albotaeniana Sauber 1901
- Imma alienella
- Imma alienella Walker 1864
- Imma amphixantha
- Imma amphixantha Meyrick 1906
- Imma ancistrota
- Imma ancistrota Meyrick 1912
- Imma anticeros
- Imma anticeros Meyrick 1928
- Imma antiquata
- Imma antiquata Meyrick 1913
- Imnadia banatica
- Imnadia banatica Marincek & Valvajter 1982
- Imnadia cristata
- Imnadia cristata Marincek 1972
- Imnadia Hertzog 1935
- Imnadia panonica
- Imnadia panonica Marincek & Petrov 1984
- Imnadia voiteslii
- Imnadia voitestii
- Imnadia voitestii Botnariuc & Orghidan 1943
- Imnadia yeyetta
- Imnadia yeyetta Hertzog
- Imnadia yeyetta Hertzog 1935
- Imnadiidae
- Imocarididae Stevcic 2005
- Imocaris
- Imocaris colombiensis
- Imocaris colombiensis Racheboeuf & Villarroel 2003
- Imocaris Schram & Mapes 1984
- Imocaris tuberculata
- Imocaris tuberculata Schram & Mapes 1984
- Imochorus ramicivorus
- Imodania injuriosa
- Imodania injuriosa Kishida
- Imoella
- Imoella Hoare, Heaney & Mapes 1989
- Imoella obscura
- Imoella obscura Hoare, Heaney & Mapes 1989
- Imoerata
- Imoerata cylindrica
- Imogala
- Imogala Keyserling 1890
- Imogala scaraboea
- Imogala scaraboea Keyserling 1890
- Imogaster
- Imogaster auratus
- Imogaster auratus Costa
- Imogaster Costa 1857
- Imogen
- Imogen bicolor
- Imogen bicolor (Poppius 1912)
- Imogen fasciatus
- Imogen fasciatus Carvalho 1983
- Impact native
- Impact native californica
- Impact on Calosoma sycophanta
- Impact on Eumetopias jubatus
- Impact on native Astacus
- Impact on native Cerithidea californica
- Impact on native Partulidae
- Impact on native Procambarus & Pacifastacus
- Impact on native Tilapiinae
- Impact sycophanta
- Impacts cohabiting brevitarsis
- Impacts endangered endemic
- Impacts on cohabiting Culicoides brevitarsis
- Impacts on endangered endemic Megalagrion
- impage
- Impages
- impages (Adams & Reeve 1850)
- Impages A Smith 1873
- Impages aciculina (Lamarck, 1822)
- Impages acuminata
- Impages apicina
- Impages bacillus
- Impages bacillus (Deshayes, 1859)
- Impages cinerea (von Born, 1778)
- Impages cuspidata
- Impages escondida
- Impages escondida Terryn 2006
- Impages escondida Terryn, 2006
- Impages hectica
- Imrenerius Aczél 1961
- Imrenerius Aczel, 1961
- Imshaugia aleurites
- Imshaugia aleurites (Ach.) E. Mey.
- Imshaugia aleurites (Ach.) Fricke Meyer
- Imshaugia aleurites (Ach.) S. F. Meyer
- Imshaugia aleurites (Ach.) S. L. F. Mey.
- Imshaugia aleurites (Ach.) S. L. F. Mey. 1985
- Imshaugia aleurites (Ach.) S. L. F. Meyer
- Imshaugia aleurites (Ach.) S.F. Meyer
- Imshaugia aleurites (ach.) s.f.meyer
- Imshaugia aleurites (Ach.) S.L.F. Mey.
- Imshaugia aleurites (Ach.) S.L.F. Mey. 1985
- Imshaugia aleurites (Ach.) S.L.F.Mey.
- Imshaugia aleurites (Ach.) S.L.F.Meyer
- Imshaugia aleurites (Ach.) S:L.F.Meyer
- Imshaugia aleurites (Acharius) Meyer
- Imshaugia aleurites aleurites
- Imshaugia aleurites f. aleurites
- Imshaugia aleurites f. aleurites (Ach.) S.L.F. Mey.
- Imshaugia aleurites f. aleurites (Ach.) S.L.F. Mey. 1985
- Imshaugia aleurites f. vulnerata
- Imshaugia aleurites f. vulnerata (Hillmann) S. Y. Kondr. 1993
- Imshaugia aleurites f. vulnerata (Hillmann) S.Y. Kondr.
- Imshaugia aleurites f. vulnerata (Hillmann) S.Y. Kondr. 1993
- Imshaugia aleurites pityreiformis
- Imshaugia aleurites var. aleurites
- Imshaugia aleurites var. aleurites (Ach.) S.L.F. Mey.
- Imshaugia aleurites var. aleurites (Ach.) S.L.F. Mey. 1985
- Imshaugia aleurites var. pityreiformis
- Imshaugia aleurites var. pityreiformis (Hillmann) S. Y. Kondr. 1993
- Imtechium assamiensis
- Imtempus
- Imtempus Reitter 1882
- imthurni (Herdman 1906)
- imthurni (Thompson I.C. & Scott A. 1903)
- imthurni Herdman 1906
- imthurni Hornell in Herdman 1903
- imthurni Thompson I.C. & Scott A. 1903
- Imugana Enderlein 1937
- Imugana metallica
- Imugana metallica Enderlein
- Imugana metallica Enderlein 1937
- Imugana metallica Enderlein, 1937
- Imugana pompiliformis
- Imugana pompiliformis Enderlein
- Imugana pompiliformis Enderlein 1937
- Imugana pompiliformis Enderlein, 1937
- Imugina
- Imugina Mahmood 1967
- Imugina robusta
- Imugina robusta Mahmood 1967
- imula Botosaneanu & Stock 1979
- imus (Brady 1872)
- imus Brady 1872
- imus Garman 1899
- ina Dautzenberg & Bavay 1912
- inabai (Hirohito 1988)
- inabai (Kishinouye 1893)
- inabai Baba 1964
- inabai Kitazima 1983
- inabai Stechow 1913
- inabai Uchida 1933
- Inabaia
- Inabaia culta
- Inabaia culta (Butler 1879)
- Inabaia Sugi 1982
- Inabaia Sugi in Inoue & Kawabe 1982
- Inabaperca
- Inabaperca taniurai
- Inabaperca taniurai Yabumoto & Uyeno 2000
- Inabaperca Yabumoto & Uyeno 2000
- Inacaulioda
- Inaccodes
- Inaccodes Brinck 1948
- Inaccodes oblongus
- Inaccodes oblongus Brinck 1948
- inaccuratus Hurley & Jansen 1977
- Inachhus dorsettensis
- Inachi
- Inachi io
- Inachidae
- Inachidae Dana
- Inachidae MacLeay 1838
- Inachidae MacLeay, 1838
- Inbaltilla Lelei 1976
- inbarbatus (Kamohara 1952)
- inbarbatus Kamohara 1952
- Inbecetemia
- Inbecetemia torta
- Inbecetemia torta (Gayet & Meunier 1996)
- Inbecetemia tortissima
- Inbecetemia tortissima (Gayet & Meunier 1996)
- Inbecetemia Werner & Gayet 1997
- Inberosiro
- Inberosiro de Bivort & Giribet, 2004
- Inberosiro distylos
- Inberosiro distylos de Bivort & Giribet, 2004
- Inbiaphycus
- Inbiaphycus alatus
- Inbiaphycus alatus Noyes 2004
- Inbiaphycus alatus Noyes, 2004
- Inbiaphycus Noyes 2004
- Inbio
- Inbiocystiscus
- Inbiocystiscus faroi
- Inbiocystiscus faroi Ortea & Espinosa 2006
- Inbiocystiscus faroi Ortea & Espinosa, 2006
- Inbiocystiscus gamezi
- Inbiocystiscus gamezi Ortea & Espinosa 2001
- Inbiocystiscus Ortea & Espinosa 2001
- Inbiocystiscus triplicata
- Inbiocystiscus triplicata Espinosa & Ortea 2007
- Inbioia
- inca (Lesson 1829)
- Inca beschkei
- Inca beschkei SCHAUM, 1840
- Inca beschkii
- Inca beschkii Schaum 1840
- Inca beschkii Schaum, 1840
- Inca besckei
- Inca besckei Schaum, 1840
- Inca besckei Schaum,1840
- Inca bifrons
- Inca bifrons Ol.
- Inca bonplandi
- Inca bonplandi (Gyllenhal,1817)
- Inca bonplandi Gyllenberg 1817
- Inca bonplandi Gyllenberg, 1817
- Inca bonplandi Gyllenhal 1817
- Inca bonplandi Gyllenhal, 1817
- Inca branickii
- Inca branickii Taczanowski 1880
- Inca branickii Taczanowski, 1879
- Inca burmeisteri
- Inca burmeisteri Burmeister 1847
- Inca burmeisteri Burmeister, 1847
- Inca clathrata
- Inca clathrata Olivier 1792
- Inca clathrata Olivier, 1792
- Inca clathrata quesneli
- Inca clathrata quesneli Boos & Ratcliffe 1985
- Inca clathrata quesneli Boos & Ratcliffe, 1985
- Indabracon
- Indabracon bicolor
- Indabracon bicolor Yang, Chen & Liu 2006
- Indabracon medivalvis
- Indabracon medivalvis van
- Indabracon medivalvis van Achterberg 1992
- Indabracon van
- Indabracon van Achterberg 1992
- Indacar
- Indacar Iredale 1939
- Indachorius
- Indachorius aereopictus
- Indachorius aereopictus Boucomont 1914
- Indachorius aereopictus BOUCOMONT, 1914
- Indachorius aereopictus rubropictus
- Indachorius aereopictus rubropictus BOUCOMONT, 1924
- Indachorius aereopictus ssp. rubropictus Boucomont, 1924
- Indachorius arai
- Indachorius arai Masumoto 1989
- Indachorius arai Masumoto, 1989
- Indachorius baykanus
- Indachorius baykanus Kabakov 1994
- Indachorius baykanus Kabakov, 1994
- Indachorius bonengus
- Indachorius bonengus Kabakov 1994
- Indachorius bonengus Kabakov, 1994
- Indachorius chinensis
- Indachorius chinensis Balthasar 1952
- Indachorius chinensis Balthasar, 1952
- Inea Malaise 1942
- Inea pusilla
- Inea pusilla Malaise
- Inea pusilla Malaise 1942
- Inea pygmaea
- Inea pygmaea (Enderlein 1920)
- Inea ruficollis
- Inea ruficollis (Norton )
- Inea rufonota
- Inea rufonota (Rohwer 1911)
- Inecrtoe sedis
- Ineducabilia
- Ineffigiata
- Ineffigiata neglecta
- Ineffigiata neglecta W. West & G. S. West
- Ineffigiata neglecta W. West & G.S. West
- Ineffigiata W. West & G.S. West 1897
- Ineffigiata W. West et G. S. West, 1897
- Ineffigiatus
- Ineffigiatus West and West
- Inegocia
- Inegocia bataniensis
- Inegocia bataviensis
- Inegocia borboniensis
- Inegocia borboriensis
- Inegocia borboriensis (Cuvier 1829)
- Inegocia borboriensis (Cuvier, 1829)
- Inegocia bosschei
- Inegocia bosschei (Bleeker 1860)
- Infabricaticeras Cobban, Hook & Kennedy 1989
- Infabricaticeras lunaense
- Infabricaticeras lunaense Cobban, Hook & Kennedy 1989
- Infacerithium
- Infacerithium (Infacerithium) kirilli Guzhov 2004
- Infacerithium (Kuntseviella)
- Infacerithium (Kuntseviella) Guzhov 2004
- Infacerithium (Kuntseviella) kunceviense (Gerasimov 1992)
- Infacerithium Grundel 1974
- Infacerithium kirilli
- Infacerithium kunceviense
- Infacythere
- Infacythere dulcis
- Infacythere dulcis (Ljubimova 1955)
- Infacythere Gruendel 1975
- Infacythere Grundel 1975
- infans (E. A. Smith 1884)
- infans (G�nther 1878)
- infans E. A. Smith 1884
- infans G�nther 1878
- infans Timmermann 1957
- infans Zugmayer 1911
- Infantea
- Infantea chilensis
- Infantea chilensis J.Rémy
- Infantea chilensis Remy
- Infantea J. Rémy
- Infantea J.Rémy
- Infantea Remy
- Inga acicularis
- Inga acicularis Penn.
- Inga acicularis Pennington
- Inga acicularis T.D.Penn.
- Inga acocephala Steud.
- Inga acreana
- Inga acreana Harms
- Inga acreana Harms, 1915
- Inga acrocephala
- Inga acrocephala Stendel
- Inga acrocephala Steud.
- Inga acrocephala Steud., 1843
- Inga acrocephala Steudel
- Inga acrocephala Steudl.
- Inga acuminata
- Inga acuminata Benth.
- Inga acus
- Inga acus Hoffmanns.
- Inga acus Hoffsgg.
- Inga acutangula
- Inga acutangula Graham
- Inga acutangula Graham, nom.nud.
- Inga acutifolia
- Inga acutifolia Benth.
- Inga acutifolia Benth., 1845
- Inga acutifolia Bentham
- Inga adenophylla
- Inga adenophylla Pittier
- Inga adiantifolia
- inhabile Rathke 1843
- inhabilis (Rathke 1843)
- inhabilis Petersen 1905
- inhabilis Selenka 1867
- Inhaca
- inhaca (Day 1951)
- inhaca (Day)
- inhaca (Smith 1949)
- inhaca Day 1951
- inhaca Day 1957
- inhaca Griffiths 1973
- Inhaca Ortiz, Berze-Freire & Wasikete 1990
- inhaca Smith 1949
- inhacae (Millar 1956)
- inhacae (Smith 1959)
- inhacae (Smith 1962)
- inhacae Barnard
- inhacae Barnard 1950
- inhacae Kensley 1974
- inhacae Millar 1956
- inhacae Millard 1958
- inhacae Monniot & Monniot 1976
- inhacae Smith 1955
- inhacae Smith 1959
- inhacae Smith 1962
- inhacae Wells 1967
- inhacaensis Pettibone 1993
- inhacaensis Verseveldt 1960
- inhace (Smith 1949)
- Inia amazonica
- Inia amazonicus
- Inia amazonicus Pelzeln, 1883
- Inia Boliviensis
- Inia boliviensis (D'Orbigny 1834)
- Inia boliviensis d'Orbigny 1834
- Inia boliviensis d'Orbigny, 1834
- Inia canadensis
- Inia canadensis Gray, 1846
- Inia d'Orbigny 1834
- Inia d'Orbigny, 1834
- Inia de Blainville 1817
- Inia de Geoffroy
- Inia Geoffrensis
- Inia geoffrensis (Blainville 1817)
- Inia geoffrensis (Blainville, 1817)
- Inia geoffrensis (de Blainville 1817)
- Inia geoffrensis (de Blainville, 1817)
- Inia geoffrensis boliviensis
- Inia geoffrensis boliviensis (D'Orbigny 1834)
- Inia geoffrensis boliviensis D'Orbigny 1834
- Inia geoffrensis boliviensis d'Orbigny, 1834
- Inia geoffrensis geoffrensis
- Inia geoffrensis geoffrensis (Blainville 1817)
- Inia geoffrensis geoffrensis (Blainville, 1817)
- Inia geoffrensis geoffrensis (De Blainville 1817)
- Inia geoffrensis humboldtiana
- Inia geoffrensis humboldtiana Pilleri & Gihr 1977
- Inia geoffrensis humboldtiana Pilleri & Gihr 1978
- Injanatherium arabicum
- Injanatherium arabicum Morales, Soria & Thomas 1987
- Injanatherium hazimi
- Injanatherium hazimi Heintz, Brunet & Sen 1981
- Injanatherium Heintz, Brunei & Sen 1981
- Injanatherium Heintz, Brunet & Sen 1981
- Injetocerida
- Injetocerida Balashov 1960
- Injubinus
- Injubinus Carus 1888
- injudicata Rhumbler 1938
- Injurious
- Injurious Scolytids
- Inka Koteja 1989
- Inka minuta
- Inka minuta Koteja 1989
- Inkaba
- Inkaba Herbe 1992
- Inkaba Herbert 1992
- Inkaba tonga
- Inkaba tonga Herbert 1992
- Inkadrilus
- Inkadrilus abbreviatus
- Inkadrilus abbreviatus (Michaelsen)
- Inkadrilus hanagarthi
- Inkadrilus hanagarthi Zicsi 1995
- Inkadrilus Mich.
- Inkadrilus Mich. 1917
- Inkadrilus Michaelsen 1918
- Inkadrilus Michaelsen, 1918
- Inkaidae
- Inkaidae Koteja 1989
- Inkaka
- Inkaka 4-dentata
- Inkaka 4-dentata Girault 1939
- Inkaka 4-dentata Girault, 1939
- Inkaka Girault 1939
- Inkaka keralensis
- Inkaka keralensis Sureshan & Narendran 1997
- Inkaka keralensis Sureshan & Narendran, 1997
- Inkaka quadridentata
- Inkaka quadridentata Girault
- Inlecypris
- Inlecypris auroprupruea
- Inlecypris auropurpurea
- Inlecypris auropurpurea (Annandale 1918)
- Inlecypris auropurpurea (Annandale, 1918)
- Inlecypris auropurpureus
- Inlecypris auropurpureus (Annandale 1918)
- Inlecypris auropurpureus (Annandale, 1918)
- Inlecypris Howes
- Inlecypris Howes 1980
- Inlecypris Howes 1980 sec. Eschmeyer 1998
- Inlecypris Howes 1980 sec. Eschmeyer 2004
- Inlecypris Howes, 1980
- Inlecypris jayarami
- Inlecypris jayarami (Barman 1984)
- Inlecypris jayarami (Barman, 1984)
- Inlethelphusa
- Inlethelphusa acanthicum
- Inlethelphusa acanthicum (Kemp 1918)
- Inlethelphusa Yeo & Ng 2007
- Inliaculus
- Inliaculus Schaufuss 1869
- Inlmicus sinense
- inmaculata (B�rger 1892)
- Inmalthodes
- Inmalthodes brunneus
- Inmalthodes brunneus Wittmer 1992
- Inmalthodes denticulatus
- Inmalthodes denticulatus (Pic 1924)
- Inmalthodes lienhardi
- Inmalthodes lienhardi Wittmer 1992
- Inmalthodes Pic 1938
- Inmalthodes ranuensis
- Inmalthodes ranuensis Wittmer 1992
- Inmalthodes varicolor
- Inmalthodes varicolor Wittmer 1992
- Inmalthodes Wittmer 1940
- Inmaltodes
- Inmaltodes luteomaculatus
- Inmaltodes luteomaculatus Pic 1938
- Inmaltodes Pic 1938
- inmatura Langerhans 1879
- inmaturata Langerhans 1879
- Inmostia
- Inmostia W. L. Fry, 1983
- Inmostia W.L. Fry 1983
- Inna (Pseudoinna)
- Inna (Pseudoinna) boliviana
- Inna (Pseudoinna) boliviana Mateu 1989
- Inna (Pseudoinna) Mateu 1989
- Inna atrata arbor
- Inna atrata arbor Ball & Shpeley 1983
- Inna boliviana
- Inna boliviana Mateu 1989
- Inna boyeri
- Inna boyeri (Solier 1835)
- Inna boyeri Solier 1835
- Inna breviformis
- Inna breviformis Chaudoir 1872
- Inna costulata
- Inna costulata Chaudoir 1872
- Inna cottulata
- Inna granulata
- Inna granulata Chaudier 1872
- Inna inpa
- Inna inpa Ball & Shpeley 1983
- Inna megala
- Inna megala Reichardt 1966
- Inna nevermanni
- Inna nevermanni (Liebke 1929)
- Inna palpalis
- Inna palpalis Ball & Shpeley 1983
- Inna planipennis
- Inna planipennis Bates 1891
- Inna punctata
- Ino (Hinds )
- Ino (Hinds)
- Ino (Procris) geryon
- Ino aerea
- Ino amaura
- Ino ambigua
- Ino ambigua Staudinger 1887
- Ino ampelophaga
- Ino ampelophaga Bayle
- Ino ampelophaga Dannehl 1933
- Ino astrapta
- Ino breviuscula
- Ino budensis
- Ino budensis Ad. & Au. Speyer 1858
- Ino budensis asiatica
- Ino budensis Speyer & Speyer 1858
- Ino budensis var. asiatica
- Ino budensis var. asiatica Staudinger 1887
- Ino budentis
- Ino budentis Spey.
- Ino capitalis
- Ino capitalis Staudinger 1879
- Ino chinensis
- Ino chinensis Felder & Felder 1862
- Ino chloros chloronota
- Ino chloros var. chloronota Staudinger 1871
- Ino chrysocephala
- Ino cognata
- Ino cognata Ramb.
- Inpa Erwin 1978
- Inpa psydroides
- Inpa psydroides Erwin 1978
- Inpa psyroides
- Inpabasis
- Inpabasis Dias dos Santos 1961
- Inpabasis eliasi
- Inpabasis eliasi Santos 1961
- Inpabasis eliasi Santos, 1961
- Inpabasis hubelli
- Inpabasis hubelli Peru
- Inpabasis hubelli Santos 1961
- Inpabasis hubelli Santos, 1961
- Inpabasis machadoi
- Inpabasis machadoi Santos 1961
- Inpabasis machadoi Santos, 1961
- Inpabasis rosea
- Inpabasis rosea (Selys 1877)
- Inpabasis rosea (Selys, 1877)
- Inpabasis Santos, 1961
- Inpaichthys
- Inpaichthys Gery & Junk 1977
- Inpaichthys Géry & Junk 1977 sec. Eschmeyer 1998
- Inpaichthys Géry & Junk 1977 sec. Eschmeyer 2004
- Inpaichthys Géry and Junk, 1977
- Inpaichthys kern
- Inpaichthys kern Gery & Junk 1977
- Inpaichthys kerri
- Inpaichthys kerri Géry & Junk 1977
- Inquilina
- inquilina (Koelbel 1894)
- inquilina (Van Name 1936)
- Inquilina dawsoni
- Inquilina excavata
- Inquilina excavata (Cockerell 1922)
- Inquilina excavata (Cockerell, 1922)
- Inquilina excavata Cockerell 1922
- Inquilina excavata Cockerell, 1922
- inquilina Giard 1906
- Inquilina Michener
- Inquilina Michener 1961
- inquilina Palombi 1935
- Inquilina schwarzi
- Inquilina schwarzi (Michener 1983)
- Inquilina schwarzi (Michener, 1983)
- Inquilina schwarzi Michener 1983
- Inquilina schwarzi Michener, 1983
- inquilina Van Name 1936
- Inquilinae
- Inquilinae Synophrus laeviventris O. S.
- Inquilinister
- Inquilinister Helava 1985
- Inquilinister Helava in Helava et al 1985
- Inquilinister Helava in Helava et al. 1985
- Inquilinister Helava in Helava, Howden & Ritchie 1985
- Inquilinister reburrus
- Inquilinister reburrus Helava 1985
- Inquilinitermes
- Inrostrata
- Inrostrata Fahrenholz 1936
- Insalebria
- Insalebria concineratella
- Insalebria concineratella (Ragonot 1887)
- Insalebria Filipjev 1924
- Insalebria Filipjev 1925
- Insalebria geminella
- Insalebria geminella (Eversmann 1844)
- Insalebria geminella (Eversmann,1844)
- Insalebria kozhantshikovi
- Insalebria kozhantshikovi Filipjev 1924
- Insalebria serraticorella
- Insalebria serraticorella (Zeller 1839)
- Insalebria serraticornella
- Insalebria serraticornella (Zeller 1839)
- Insalebria serraticornella kairouanensis
- Insalebria serraticornella kairouanensis Leraut 2003
- Insalebria serraticornella rungsella
- Insalebria serraticornella rungsella (Lucas 1942)
- insalli
- insalubris Fraussen & Rol�n 2003
- insanus Valenciennes 1862
- Insara
- Insara abbreviata
- Insara abbreviata (Brunner von Wattenwyl 1878)
- Insara abbreviata (Brunner von Wattenwyl, 1878)
- Insara apache
- Insara apache (Rehn 1907)
- Insara apache (Rehn, 1907)
- Insara apache (Rehn, J.A.G. 1907)
- intacta Fraussen 2006
- intacta Tixier Durivault 1970
- intactus Fraussen & Poppe 2005
- Intaella
- Intaella intae
- Intaella intae Kanev 1989
- Intaella Kanev 1989
- Intandela
- Intandela Hesse 1925
- Intandela respersionis
- Intandela respersionis Hesse 1925
- Intandela respersionis Hesse, 1925
- Intasia
- Intasia monohystera
- Intasia monohystera Tchesunov & Miljutina 2008
- Intasia Tchesunov & Miljutina 2008
- Intasuchidae
- Intasuchidae Konzhukova 1953
- Intasuchus
- Intasuchus Konzhukova 1953
- Intasuchus selvicola
- Intasuchus silvicola
- Intecticoccus
- Intecticoccus Kondo 2006
- Intecticoccus viridis
- Intecticoccus viridis Kondo 2006
- intectum Lyman 1878
- intectus Wilson C.B. 1944
- Intecymbium
- Inu ama
- Inu ama (Snyder 1909)
- Inu ama Snyder 1909
- Inu ama Snyder 1909 sec. Eschmeyer 2004
- Inu ama Snyder, 1909
- Inu koma
- Inu koma (Snyder 1909)
- Inu koma Snyder 1909
- Inu koma Snyder 1909 sec. Eschmeyer 2004
- Inu koma Snyder, 1909
- Inu saikaiensis
- Inu saikaiensis (Dotu 1957)
- Inu Snyder 1909
- Inu Snyder 1909 sec. Eschmeyer 1998
- Inu Snyder 1909 sec. Eschmeyer 2004
- inuber (Shmankevich 1875)
- Inuda
- Inuda luarna
- Inuda luarna Marcus & Marcus 1967
- Inuda Marcus & Marcus 1967
- Inudinae
- inuisitatiacanthostyla (Hoshino 1981)
- inuisitatiacanthostyla Hoshino 1981
- Inula
- Inula (Chrysopsis)
- inula (Duchassaing & Michelotti 1864)
- Inula acaulis
- Inula acaulis Boiss.
- Inula acaulis Schott & Kotschy
- invagiferous
- invaginata (Monard 1926)
- invaginata Kirkpatrick 1907
- invaginata Wilson 1925
- invaginatum Muthumbi & Vincx
- invaginatus (Monard 1926)
- invaginatus Monard 1926
- Invalid
- invalida (Grube 1860)
- invalida Bowerbank 1874
- invalida Grube 1860
- invalida Sars 1892
- Invalidae
- invalidum Emerson 1954
- invalidus Hure & Scotto di Carlo 1968
- Invasitermes
- Invasitermes inermis
- Invasitermes inermis Miller 1984
- Invasitermes insitivus
- Invasitermes insitivus (Hill 1929)
- Invasitermes insitivus (Hill 1942)
- Invasitermes Miller 1984
- invemar Smith-Vaniz & Acero P. 1980
- invemar van Soest, Zea & Kielman 1994
- inventa Pethybr. 1919
- inventionis Parin & Kobyliansky 1993
- inventis Harris 1969
- inventricosa Chavtur and Stovbun 2003
- Invenusta
- Inxwala bergrothi
- Inxwala bergrothi Muir 1927
- Inxwala bergrothi Muir, 1927
- Inxwala Dist.
- Inxwala Distant 1907
- Inxwala modesta
- Inxwala modesta Distant 1907
- Inxwala modesta Distant, 1907
- Inxwala muiri
- Inxwala muiri Muir 1927
- Inxwala muiri Muir, 1927
- Inyamana
- Inyamana Distant
- Inyamana Distant 1905
- Inyamana ochracea
- Inyamana ochracea Distant 1905
- Inyamana ventricosa
- Inyamana ventricosa Melichar 1914
- Inyangana
- Inyangana johnseni
- Inyangana johnseni Naskrecki 1992
- Inyangana johnseni Naskrecki, 1992
- Inyangana Naskrecki 1992
- Inyo
- Inyo destractor
- Inyo destractor Hall & Evenhuis 1987
- Inyo destractor Hall & Evenhuis, 1987
- Inyo destructor
- Inyo destructor Hall
- Inyo destructor Hall & Evenhuis 1987
- Inyo destructor Hall & Evenhuis, 1987
- Inyo destructor Hall and Evenhuis, 1987
- Inyo Hall & Evenhuis 1987
- Inyo princesplume
- Inyo senex
- Inyo senex (Melander 1950)
- Inyo senex (Melander, 1950)
- Inyo senex Melander 1950
- Inyo senex Melander, 1950
- Inyoaster
- Inzengaea
- Inzengaea asterosperma
- Inzengaea asterospora
- Inzengaea asterospora BorzÃ
- Inzengaea Borzà 1885
- Inzengaea Borzì, 1885
- Inzengaea erythrosperma
- Inzengaea erythrospora
- Inzengaea erythrospora BorzÃ
- Inzengaea erythrospora Borzà 1885
- Inzeroceras
- Inzeroceras bellum
- Inzeroceras bellum Ruzhentsev 1974
- Inzeroceras Ruzhentsev 1974
- Ioa Jordan & Brayton 1878
- Ioa Jordan & Brayton 1878 sec. Eschmeyer 1998
- Ioa Jordan & Brayton 1878 sec. Eschmeyer 2004
- Ioa Jordan & Brayton 1878 sec. Hay 1882
- Ioa vigil
- Ioa vigil Hay 1881
- Ioa vigil Hay 1882
- Ioa vigil Hay 1882 sec. Eschmeyer 2004
- Ioa vigil Hay 1883
- Ioa vigil Hay, 1882
- Ioa vitrea
- Ioa vitreum
- Ioackima
- Ioackima phalaroides
- Ioackima phalaroides Ten.
- Ioackima Ten.
- Ioackima Tenore
- Ioackima Tenore, 1813
- Ioamia
- Ioamia Fowler & Bean 1930
- Ioanella
- Ioanella B. Granier & P.Y. Berthou in I.I. Bucur & S. Filipescu 2002
- Ioanella Saidova 1975
- Ioanella Saidova, 1975
- Ioanella tumidula
- Ioanella tumidula (Brady 1884)
- Ioanella tumidula (Brady, 1884)
- Ioanella tumidula antarctica
- Ioanella tumidula antarctica Saidova 1975
- Ioba Distant
- Ioba Distant 1904
- Iobates
- Iobates affinis
- Iobates affinis (Esaki 1926)
- Iobates affinis (Esaki)
- Iobates ivimka
- Iobates ivimka Polhemus & Polhemus 2002
- Iobates Polhem & Polhem 1993
- Iobates Polhemus & Polhemus 1993
- Iobates salawati
- Iobates salawati Polhemus & Polhemus 1993
- Iobates somare
- Iobates somare Polhemus & Polhemus 1993
- Iobothrium
- Iobothrium Beveridge & Campbell 2005
- Iobothrium elegans
- Iobothrium elegans Beveridge & Campbell 2005
- Iobrilus aberrans
- Iocaste E.Mey. ex DC.
- Iocaulon
- Iocaulon cuneifolia
- Iocaulon cuneifolia Raf.
- Iocaulon linearis
- Iocaulon linearis Raf.
- Iocaulon longipes
- Iocaulon longipes Raf.
- Iocaulon lunulata
- Iocaulon lunulata Raf.
- Iocaulon ovalis
- Iocaulon ovalis Raf.
- Iocaulon pilosa
- Iocaulon pilosa Raf.
- Iocaulon pumila
- Iocaulon pumila Raf.
- Iocaulon Raf.
- Iocaulon sagittalis
- Iocaulon sagittalis Raf.
- Iocenes
- Iocenes acanthifolius
- Iocenes acanthifolius (Hombr. & Jacq.) B. Nord.
- Iocenes acanthifolius (Hombr. & Jacq.) B.Nord.
- Iocenes acanthifolius (Hombr. & Jacq.) B.Nord. subsp. virens (Phil.) B.Nord.
- Iocenes acanthifolius (Hombr. & Jacq.) B.Nord. subsp. virens (Phil.) Nord.
- Iocenes acanthifolius subsp. virens
- Iocenes acanthifolius subsp. virens (Phil.) B.Nord.
- Iocenes acanthifolius virens
- Iocenes acantifolius (Hombron et Jacquinot) B. Nord.
- Ioda Johnston 1840
- Ioda macrophthalma Johnston, 1840
- Ioda pontica Czerniavsky, 1881
- Ioda Viguier 1885
- Iodacus
- Iodacus darwinii
- Iodacus darwinii Pocock 1891
- Iodacus orthurus
- Iodacus orthurus Thorell 1877
- Iodacus Pocock
- Iodacus Pocock 1891
- Iodamoeba
- Iodamoeba biitschlii
- Iodamoeba buetschlii
- Iodamoeba buetschlii (Prowazek 1912)
- Iodamoeba buetschlii (Prowazek, 1912)
- Iodamoeba butsahlii
- Iodamoeba butschili
- Iodamoeba butschilii
- Iodamoeba butschlii
- Iodamoeba butschlii (Prow., Dobell )
- Iodamoeba butschlii (Prowazek 1912)
- Iodamoeba butschlii (Prowazek Dobell )
- Iodamoeba Dobell 1919
- Iodamoeba Dobell, 1919
- Iodamoeba schewiakavi
- Iodamoeba schewiakavi Epstein 1941
- Iodamoeba testudinis
- Iodamoeba testudinis Fantham 1932
- Ioeclus latopalmatus Blgr.
- Ioeclus nubilus
- Ioeclus nubilus Mocquard 1890
- Ioedes
- Ioedes Blume 1825
- Ioedes floribunda Merr.
- Ioedes oblong G. Planch. var. moluccana Hochr.
- Ioedes philippinensis Merr.
- Ioedes yatesii Merr.
- Ioelia spina
- Ioelia spina Kuliev 1979
- Ioera guernei
- Ioera guernei Dollfus 1889
- Ioera marina
- Ioessa
- Ioessa crassicornis
- Ioessa crassicornis Erdoes
- Ioessa crassicornis Erdos 1955
- Ioessa Erdös 1955
- Ioesse
- Ioesse medogensis
- Ioesse medogensis Chiang & Chen 1992
- Ioesse medogensis Chiang & Chen, 1992
- Ioesse medogensis CHIANG Shu-nan, CHEN Li, 1992
- Ioësse sanguinolenta
- Ioesse sanguinolenta (PU Fuji, 1999)
- Ioesse sanguinolenta Pu 1999
- Ioesse sanguinolenta Pu, 1999
- Ioesse sanguinolenta Thomson 1864
- Ioffea I. A. Il'inskaja, 1961
- Ioffea I.A. Il'inskaja 1961
- Iofluvialis
- Iogeton J. L. Strother, 1991
- Iogeton J.L. Strother 1991
- Iogeton nowickeanus
- Iogeton nowickeanus (D'Arcy) Strother
- Iogeton Strother
- Ioglena
- Ioglena Stål 1873
- Ioglossus
- Ioglossus Bean 1882
- Ioglossus Bean 1882 sec. Eschmeyer 1998
- Ioglossus Bean 1882 sec. Eschmeyer 2004
- Ioglossus Bean 1882 sec. Jordan, Gilbert & Bean 1882
- Ioglossus Bean 1882 sec. Randall 1968
- Ioglossus Bean 1883
- Ioglossus Bean in Jordan and Gilbert, 1882
- Ioglossus calliurus
- Ioglossus calliurus Bean, 1882
- Ioglossus calliurus Jordan & Gilbert 1882
- Ioglossus calliurus Jordan & Gilbert, 1882
- Ioglossus calliurus Jordan and Gilbert, 1882
- Ioglossus calliurus Jordan, Gilbert & Bean 1882
- Ioglossus calliurus Jordan, Gilbert & Bean 1882 sec. Eschmeyer 2004
- Ioglossus culliurus
- Ioglossus culliurus Goode & Bean 1882
- Ioglossus Goode & Bean 1882
- Ioglossus helenae
- Ioglossus helenae Randall 1967
- Ioglossus helenae Randall 1968
- Ioglossus helenae Randall 1968 sec. Eschmeyer 2004
- Iohomia
- Iohomia HU 1971
- Iohomia sickia
- Iohomia sickia Hu 1971
- Ioichthys kashkini
- Ioichthys kashkini Parin 2004
- Ioichthys kashkini Parin 2004 sec. Eschmeyer 2004
- Ioichthys Parin 2004
- Ioichthys Parin 2004 sec. Eschmeyer 2004
- Ioida
- Ioida Johnston 1839
- Ioida Johnston 1840
- Ioida Keable 1840
- Ioida macrophthalma Johnston, 1840
- Ioida macrophthalmus Johnston, 1840
- Ioida pontica
- Ioida pontica Czerniavsky 1881
- Ioida pontica Czerniavsky, 1881
- Iois
- Iois Doherty 1889
- Iokastelia Renz 1925
- Iola barssii ined.
- Iola covani
- Iola covani Simon 1901
- Iola cowani
- Iola cowanii
- Iola cowanii Peckham & Peckham 1892
- Iola cowanii Peckham & Peckham, 1892
- Iola Peckham 1892
- Iolaea
- Iolaea (Iolaea) neofelixoides (Nomura 1936)
- Iolaea A Adams 1867
- Iolaea Adams 1860
- Iolaea Adams 1867
- Iolaea amazonica
- Iolaea amazonica Van Aartsen & Wesselingh 2005
- Iolaea dubia
- Iolaea dubia Golikov & Kussakin
- Iolaea eucosmia Dall & Bartsch, 1909
- Iolaea neofelixoides
- Iolaea neofelixoides (Nomura 1936)
- Iolaea neofelixoides (Nomura, 1936)
- Iolaea scitula
- Iolaea scitula (A. Adams )
- Iolaea scitula Adams 1860
- Iolaea wagneri
- Iolaea wagneri Bartsch 1955
- Iolaema
- Iolaema Sclater 1855
- Iolaini
- Ioma Blackwelder 1952
- Iomachus
- Iomachus borana
- Iomachus borana Caporiacco 1939
- Iomachus exsul
- Iomachus exsul Werner 1939
- Iomachus laeviceps
- Iomachus laeviceps malbarensis
- Iomachus nitidus
- Iomachus Pocock 1893
- Iomachus politus
- Iomachus politus occidentalis
- Iomachus politus occidentalis Lourenco 2003
- Iomachus politus Pocock 1896
- Iomachus punctulatus
- Iomachus surgani
- Iomachus surgani Bastawade 1987
- iomelas Jordan & Seale 1906
- Iomelissa
- Iomelissa Robertson 1900
- Iomoides
- Iomoides conjuncta
- Iomoides conjuncta Loomis 1941
- Iomoides conjuncta Loomis, 1941
- Iomoides conjunctus
- Iomoides conjunctus Loomis 1941
- Iomoides conjunctus Loomis, 1941
- Iomoides glabra
- Iomoides glabra Haiti
- Ion Medik.
- Ion Medikus 1787
- Ion Medikus, 1787
- Ion occultum
- Ion occultum (Lehm.) Nevski
- Ion tricolor
- Ion tricolor Medik.
- Ion. linnei Tremewan 1960
- Iona
- Iona nigrovittata
- Iona nigrovittata (Keyserling 1882)
- Iona nigrovittata (Keyserling, 1882)
- Iona Peckham & Peckham 1886
- Iona Peckham 1885
- Ionacanthus
- Ionacanthus Benoist
- Ionacanthus Benoist 1940
- Ionacanthus Benoist, 1940
- Ionacanthus calcaratus
- Ionacanthus calcaratus Benoist
- Ionactis
- Ionactis alpina
- Ionactis alpina (Nutt. ) Greene
- Ionactis alpina (Nutt.)
- Ionactis alpina (Nutt.) Greene
- Ionactis alpina ...
- Ionactis alpina Greene
- Ionactis caelestis
- Ionactis caelestis Leary & G.L. Nesom
- Ioophiopteron elegans
- Iopas
- Iopas Adams 1853
- Iopas francolina
- Iopas francolina Brug.
- Iopas francolinus
- Iopas francolinus (Bruguière 1789)
- Iopas H & A Adams 1853
- Iopas serta
- Iopas sertum
- Iopas sertum (Brag. )
- Iopas sertum (Brug. )
- Iopas sertum (Bruguière 1789)
- Iopas sertum (Bruguière, 1789)
- Iopas situla
- Iophanus
- Iophanus Draudt 1920
- Iophanus pyrrhias
- Iophanus pyrrhias (Gosman & Salvin, 1887)
- Iophanus pyrrhias Godman & Salvin 1887
- Iophanus pyrrhias pyrrhias
- Iophon
- Iophon abnormalis
- Iophon abnormalis R. & D.
- Iophon abnormalis Ridley & Dendy
- Iophon abnormalis Ridley & Dendy 1886
- Iophon abnormalis Ridley & Dendy, 1886
- Iophon aceratum
- Iophon aceratum Hentschel 1914
- Iophon aceratum Hentschel, 1914
- Iorania
- Iorania concordia
- Iorania concordia Vereshchaka 1996
- Iorania Vereshchaka 1996
- Iorella
- Iorella Lipa 1967
- Iorella lorellidae
- Iorella lorellidae Lipa 1967
- Iorella wegoreki
- Iorella wegoreki Lipa 1967
- iorgui Ortiz & Lalana 2002
- Ioribos
- Ioribos aceros
- Ioribos aceros Vekua 1977
- Ioribos Vekua
- Ioribos Vekua 1968
- Ioribos Vekua 1977
- Ioribovina
- Ioribovina Mekayev 2002
- Ioribus
- Ioribus Vekua 1972
- Ioriotis
- Ioriotis Burchak-Abramovich & Vekua 1981
- Ioritis
- Ioritis gabunii
- Ioritis gabunii Burchak-Abramovich & Vekua 1981
- Iorobitella
- Iorobitella Keen 1962
- Ioropus
- ios (Jordan & Gilbert 1882)
- ios Bamber and Thurston 1993
- ios Bertelsen, Pietsch & Lavenberg 1981
- ios Fernholm 1981
- ios Jordan & Gilbert 1882
- Ios Jordan & Starks 1901
- ios Paterson 1980
- Iosactiidae
- Iosactiidae Riemann-Zurneck 1997
- Iosactiidae Riemann-Zürneck, 1997
- Iosactis
- Iosactis Riemann-Zurneck 1997
- Iosactis Riemann-Zürneck, 1997
- Iosactis vagabunda
- Iosactis vagabunda Riemann-Zurneck 1997
- Iosactis vagabunda Riemann-Zürneck, 1997
- Iosactis vagabunda Riemann-Z�rneck 1997
- Ioscion
- Ioscion Jordan 1921
- Ioscion morgani
- Ioscion morgani Jordan 1921
- Ioscytus
- Ioscytus beameri
- Ioscytus beameri (Hodgden 1949)
- Ioscytus beameri (Hodgden, 1949)
- Ioscytus beameri Hodgden 1949
- Ioscytus chapmani
- Ioscytus chapmani McKinnon & Polhemus 1986
- Ioscytus chapmani McKinnon & Polhemus,1986
- iota (de Laubenfels 1954)
- iota (Henderson 1920)
- Iota aculeatum
- Iota aculeatum Schneider 1939
- Iota Cobb 1913
- Iota cobbi
- Iota cobbi Micoletzky 1925
- Iota crotaloides
- Iota crotaloides Cobb 1924
- Iota Dalla Torre 1894
- iota de Laubenfels 1954
- iota Hoese & Roberts 2005
- iota Joubin 1902
- iota Kornicker 1992
- Iota octangulare
- Iota octangulare Cobb 1911
- Iota peruense
- Iota peruense Steiner 1920
- iota Randall 1998
- Iota Saussure 1854
- [[Iota Saussure [1854]]]
- Iota simile
- Iota simile Cobb
- Iota similum
- Iota similum Cobb 1918
- Iota squamosum
- Iota squamosum Cobb 1913
- Iotabrycon
- Iotabrycon praecox
- Iouannetia Gray 1840
- Iouannetia semicaudata
- Iouannetia semicaudata Desm.
- Iouea
- Iouea de Laubenfels 1955
- Iouea de Laubenfels 1957
- Iouea Laubenfels 1955
- Iouea moreti
- Iouea moreti Levi & Levi 1988
- Iouea moreti Lévi & Lévi, 1988
- Iouea moreti L�vi & L�vi 1988
- Iouea pro Phalangium Schrammen
- Iouea sensu
- Iouea sensu Lévi & Lévi 1988
- Iouea sensu L�vi & L�vi 1988
- Iovaster Keyes & Beane 1934
- Ioverus gualanensis
- Iovoster
- Iovoster grandis
- Iovoster grandis Keyes & Beane 1934
- Iovoster Keyes & Beane 1934
- Iowacystidae Gill & Caster 1960
- Iowacystis
- Iowacystis sagittaria
- Iowacystis sagittaria Thomas & Ladd
- Iowacystis sagittaria Thomas & Ladd 1926
- Iowacystis Thomas & Ladd 1926
- Iowadipterus
- Iowadipterus halli
- Iowadipterus halli Schultze 1992
- Iowadipterus Schultze 1992
- Iowana
- Iowana frisoni
- Iowana frisoni Hottes
- Iowana frisoni Hottes 1954
- Iowana frisoni Hottes, 1954
- Iowana Hottes 1954
- Iowana zhangi
- Iowana zhangi Zhang 2000
- Iowana zhangi Zhang, L.-K. 2000
- Iowana zhangi Zhang, L.-K., 2000
- Iowanella
- Iowanella Thompson 1957
- Iowanella Thompson, 1957
- Iowanus
- Iowanus apicalis
- Iowanus Ball 1918
- Iowanus lyratus
- Iowaphyllum
- Iowaphyllum alpenense
- Ioxia
- Ioxia Enderlein 1920
- Ioxia faceta
- Ioxia faceta (Enderlein 1918 1920)
- Ioxia faceta Enderlein 1920
- Ioxidae
- Ioxylocopa
- Ioxylocopa Hurd & Moure 1963
- Ioxylon
- Ioxylon mora
- Ioxylon mora (Griseb.) Kuntze
- Ioxylon mora Kuntze
- Ioxylon pomiferum
- Ioxylon pomiferum glaberrimum
- Ioxylon pomiferum glaberrimum Vasey & Scribn., 1969
- Ioxylon pomiferum Raf.
- Ioxylon pomiferum Raf. ex Koehne.
- Ioxylon pomiferum Raf. var. glaberrimum Kuntze
- Ioxylon pomiferum var. glaberrimum
- Ioxylon pomiferum var. glaberrimum Kuntze
- Ioxylon Raf.
- Ioxylon Rafinesque 1817
- Ioxylon Rafinesque, 1817
- Iozephyrus betulinus (Staudinger in Romanoff 1887)
- Iozephyrus Wang & Fan 2002
- iozo Linnaeus 1758
- Iozosmene
- Iozosmene Lindl.
- Iozoste
- Iozoste acuminata
- Iozoste acuminata Blume
- Iozoste C. G. D. Nees in Wallich, 1831
- Iozoste C.G.D. Nees in Wallich 1831
- Iozoste chinensis
- Iozoste chinensis Blume
- Iozoste chinensis Blume var. rotundifolia Blume
- Iozoste chinensis rotundifolia
- Iozoste hirtipes
- Iozoste hirtipes lanuginosa
- Iozoste hirtipes Migo
- Iozoste hirtipes Migo var. lanuginosa Migo
- Iozoste lancifolia
- Iozoste lancifolia (Siebold & Zucc.) Blume
- Iozoste lancifolia Blume
- Iozoste Nees
- Iozoste Nees in Wallich
- Iozoste pedunculata
- Iozoste pedunculata Blume
- Iozoste rotundifolia
- Iozoste rotundifolia Nees
- Iozoste rotundifolia Nees var. oblongifolia Nees
- Iozoste rotundifolia oblongifolia
- Ipa keyserlingi
- Ipa keyserlingi (Ausserer 1867)
- Ipa pepticus
- Ipa pepticus (Tanasevich 1988)
- Ipa Saaristo 2007
- Ipa spasskyi
- Ipa spasskyi (Tanasevich 1986)
- Ipa terrenus
- Ipa terrenus (Koch 1879)
- ipacoyana Bozzetti 2006
- Ipagrus
- Ipagrus Cabanis & Heine 1863
- Ipainae
- Ipainae Saaristo 2007
- Ipamu
- Ipamu massarti
- Ipamu Schouteden 1955
- Ipamu schoutedeni
- Ipamu schoutedeni Villiers 1967
- Ipana
- Ipana Jordan 1896
- Ipana leptomera
- Ipana leptomera Walk.
- Ipana leptomera Walker 1858c
- Ipana longipennis
- Ipana longipennis Moore 1881
- Ipana Walker 1858
- Ipanema
- Ipanema Barnard & Darwin Thomas 1988
- Ipcipbyllum Hudson 1958
- Ipcipbyllum ipci
- Ipcipbyllum ipci Hudson 1958
- Ipciphyllum
- Ipciphyllum anatolicum
- Ipciphyllum anatolicum (Flugel )
- Ipciphyllum arnouldi
- Ipciphyllum arnouldi Termier & Termier
- Ipciphyllum asperum
- Ipciphyllum asperum Zhao & Zhu 1991
- Ipciphyllum baishagouense
- Ipciphyllum baishagouense Fan 1978
- Ipciphyllum bijishanense
- Ipciphyllum bijishanense Fan 1978
- Ipciphyllum bijishanense rariseptum
- Ipciphyllum bijishanense rariseptum Lin & Rodriguez 1994
- Ipciphyllum crassienthecum
- Ipciphyllum crassienthecum Zhao 1981
- Ipciphyllum crassum
- Ipciphyllum crassum Zhao 1981
- Ipciphyllum elegans
- Ipciphyllum elegans (Huang )
- Ipciphyllum exilum
- Ipciphyllum exilum Xu 1984
- Ipciphyllum flexuosum
- Ipciphyllum flexuosum (Huang )
- Ipciphyllum fusicolumellum
- Ipciphyllum fusicolumellum Zhao 1981
- Ipciphyllum gnomeiese
- Ipecacuahna Arruda
- Ipecacuana
- Ipecacuana Raf.
- Ipecacuanha
- Ipecacuanha Arruda
- Ipecacuanha Arruda da Camara in H. Koster 1816
- Ipecacuanha Arruda da Camara in H. Koster, 1816
- Ipecacuanha branca
- Ipecacuanha branca Arruda & Diss. ex Koster
- Ipecacuanha fusca
- Ipecacuanha fusca Raf.
- Ipecacuanha officinalis
- Ipecacuanha officinalis Arruda
- Ipecacuanha officinalis Arruda & Diss. ex Koster
- Ipecacuanha officinalis Arruda in H.Kost.
- Ipecacuanha preta
- Ipecacuanha preta Arruda
- Ipecacuanha preta Atruda
- Ipecacuanha virginiana
- Ipecacuanha virginiana Garsault
- Ipelastes
- Ipelastes Fauvel 1885
- Ipelates
- Ipelates himalajanus
- Ipelates himalajanus Schawaller 1979
- Ipelates indicus
- Ipelates indicus Hlisnikovsky,
- Ipelates jumlanus
- Ipelates jumlanus Schawaller 2005
- Iphagenia braziliana
- Iphantornis
- Iphantornis Oustalet 1877
- Iphaulax
- Iphegania
- Iphegenia
- Iphegenia braziliana Lam
- Iphegenia braziliensis Lam
- Iphegenia Coates 1925
- ipheion
- Ipheion ameghinoi
- Ipheion ameghinoi (Speg.) Traub
- Ipheion bivalve
- Ipheion bivalve (Hook. ex Lindl.) Traub
- Ipheion bivalve (Lindl.) Traub
- Ipheion brevipes
- Ipheion brevipes (Kuntze) Traub
- Ipheion brevipes (Kunze) Traub
- Ipheion circinatum
- Ipheion circinatum (Sandwith) Traub
- Ipheion dialystemon
- Ipheion dialystemon Guagl.
- Ipheion dialystemon Guaglianone
- Ipheion felipponei
- Ipheion felipponei (Beauverd) Traub
- Ipheion gracile
- Ipheion gracile (Phil.) Traub
- Ipheion hirtellum
- Ipheion hirtellum (Kunth ) Traub
- Ipidecla
- Ipidecla Dyar 1916
- Ipidecla euprepes
- Ipidecla euprepes Hayward 1940
- Ipidecla euprepes Hayward 1949
- Ipidecla miadora
- Ipidecla miadora Dyar 1916
- Ipidecla monenopteron
- Ipidecla monenopteron Dyar 1918
- Ipidecla monenoptron
- Ipidecla monenoptron Dyar 1918
- Ipidecla schausi
- Ipideurytoma
- Ipideurytoma acuminati
- Ipideurytoma acuminati Yang 1996
- Ipideurytoma Boucek & Novicky 1954
- Ipideurytoma polygraphi
- Ipideurytoma polygraphi (Ashmead 1894)
- Ipideurytoma polygraphi (Ashmead, 1894)
- Ipideurytoma polygraphi Ashm.
- Ipideurytoma polygraphi Yang 1996
- Ipideurytoma spessivtsevi
- Ipideurytoma spessivtsevi Boucek & Novicky 1954
- Ipideurytoma spessivtsevi Boucek & Novicky, 1954
- Ipideurytoma spessivtsevi Jakaitis 1979
- Ipideurytoma subelongati
- Ipideurytoma subelongati Yang 1996
- Ipidia
- Ipidia (Hemipidia)
- Ipmorella clara
- Ipmorella clara Gorjunova 2007
- Ipmorella Goryunova 1985
- Ipmorella irregularis
- Ipmorella irregularis (Nekhoroshev 1956)
- Ipmorella maculata
- Ipmorella maculata (Nekhoroshev 1956)
- Ipmorella tobolensis
- Ipmorella tobolensis Goryunova 1985
- Ipnea (?) mapeta
- Ipnea ardalus
- Ipnea ardulus
- Ipnea ardulus Dr.
- Ipnea marina
- Ipnea marina Dr.
- Ipnea Walker 1858
- Ipnea Walker 1859
- Ipnista
- Ipnista marina
- Ipnista marina Druce 1891
- Ipnista Schaus 1916
- Ipnista tucumana
- Ipnista tucumana Schaus 1933
- Ipnobius
- Ipnobius Hershler 2001
- Ipnobius robustus
- Ipnobius robustus (Herschler 1989)
- Ipnobius robustus (Hershler)
- Ipnoceps
- Ipnoceps Fowler 1943
- Ipnoceps Fowler 1943 sec. Eschmeyer 1998
- Ipnoceps Fowler 1943 sec. Eschmeyer 2004
- Ipnoceps pristibrachium
- Ipnoceps pristibrachium Fowler 1943
- Ipnoceps pristibrachium Fowler 1943 sec. Eschmeyer 2004
- Ipnoceps pristibrachium Fowler, 1943
- Ipnodomus
- Ipnodomus Gloger 1841
- Ipo aegrota
- Ipo aegrota Kirkaldy 1906
- Ipo ambita
- Ipo ambita Kirkaldy 1906
- Ipo bennettii
- Ipo bennettii Kuntze
- Ipo conferta
- Ipo conferta Kirkaldy 1906
- Ipo hilii
- Ipo hilli
- Ipo hilli Evans 1934
- Ipo honiala
- Ipo honiala Kirkaldy 1906
- Ipo innoxia
- Ipo innoxia Kuntze
- Ipo Kirkaldy 1906
- Ipo macrophylla
- Ipo macrophylla Kuntze
- Ipo minor
- Ipo minor Evans 1969
- Ipo moorei
- Ipo moorei Evans 1969
- Ipo palembanicam
- Ipo palembanicam Kuntze
- Ipo pellucida
- Ipo pellucida (Fabricius 1775)
- Ipo Pers.
- Ipo Persoon 1807
- Ipo Persoon, 1807
- Ippa apracta
- Ippa apracta Meyrick
- Ippa apracta Meyrick 1908
- Ippa apracta Meyrick, 1908
- Ippa catathrausta
- Ippa catathrausta Meyrick
- Ippa catathrausta Meyrick 1938
- Ippa catathrausta Meyrick, 1938
- Ippa conspersa
- Ippa conspersa Matsumura
- Ippa conspersa Matsumura 1931
- Ippa conspersa Matsumura, 1931
- Ippa dichorrhaga
- Ippa dichorrhaga Diakonoff
- Ippa dichorrhaga Diakonoff 1948
- Ippa dichorrhaga Diakonoff, 1948
- Ippa dolichoderella
- Ippa dolichoderella Roepke
- Ippa dolichoderella Roepke 1925
- Ippa dolichoderella Roepke, 1925
- Ippa grossepunctella
- Ippa grossepunctella Snellen
- Ippa grossepunctella Snellen 1903
- Ippa grossepunctella Snellen, 1903
- Ippa inceptrix
- Ippa inceptrix Meyrick
- Ippa inceptrix Meyrick 1916
- Ippa inceptrix Meyrick, 1916
- Ippa insolens
- Iproca acuminata
- Iproca acuminata (nec Gressitt )
- Iproca acuminata Gressitt 1940
- Iproca acuminata Gressitt, 1940
- Iproca aoyamaorum
- Iproca aoyamaorum Hasegawa & Ohbayashi 2006
- Iproca flavolineata
- Iproca flavolineata Hayashi 1972
- Iproca Gressitt 1940
- Iproca ishigakiana
- Iproca ishigakiana Breuning & Ohbayashi 1966
- Iproca ishigakiana Breuning & Ohbayashi, 1966
- Iproca laosensis
- Iproca laosensis Breuning 1968
- Iproca laosensis Breuning, 1968
- Iproca laosensis Rondon & Breuning 1971
- Iproca laosensis Rondon & Breuning, 1971
- Iproca laosensis RONDON J. A., BREUNING Stefan, 1971
- Iproca pedongensis
- Iproca pedongensis Breuning 1969
- Iproca pedongensis Breuning, 1969
- Ips (Bonips)
- Ips (Bonips) Cognato 2001
- Ips (Col. Cure.) Dendroctonus
- [[Ips (De Geer [nec Fabr.. )]]
- Ips (Emarips)
- Ips (Emarips) Cognato 2001
- Ips (Granips)
- Ips (Granips) Cognato 2001
- Ips (Ips) DeGeer 1775
- Ips (Orthotomicus) erosus
- Ips (Tomicus) curvidens
- Ips (Tomicus) vorontzowi
- Ips abbreviata
- Ips abbreviata Dejean 1821
- Ips abbreviata Dejean, 1821
- Ips abbreviata Fabricius 1801
- Ips abbreviata Fabricius, 1801
- Ips acaminatus
- Ips acuminates
- Ips acuminatus
- Ips acuminatus (Gyllenhal 1827)
- Ips acuminatus (Gyllenhal, 1827)
- Ips acuminatus (Gyllenhal,1827)
- Ips acuminatus Gyll.
- Ips acuminatus Gyllenhal, 1827
- Ips acuminatus Wood & Bright 1992
- Ips acuminatus Wood & Bright, 1992
- Ips aenea
- Ips aenea Fabricius 1787
- Iptergonus aberrans
- Iptergonus aberrans Lea, 1897
- Iptergonus aberrans Lea, A.M. 1927
- Iptergonus aberrans Lea, A.M., 1927
- Iptergonus bifurcatus
- Iptergonus bifurcatus Lea, A.M. 1908
- Iptergonus bifurcatus Lea, A.M., 1908
- Iptergonus cionoides
- Iptergonus cionoides Lea, A.M. 1927
- Iptergonus cionoides Lea, A.M., 1927
- Iptergonus Lea 1908
- Iptergonus niveopictus
- Iptergonus niveopictus Lea, A.M. 1908
- Iptergonus niveopictus Lea, A.M., 1908
- Ipthima
- Ipthima Pye 1873
- Ipuka dispersa
- Ipuka dispersa (van der Goot)
- Ipuka dispersum
- Ipuka dispersum (van der Goot 1917)
- Ipuka longirostrum
- Ipuka longirostrum Remaudiere 1985
- Ipuka melantherae
- Ipuka melantherae van
- Ipuka melantherae van Harten & Ilharco
- Ipuka melantherae van Harten & Marco 1975
- Ipuka melantherae van Keymeulen & Degheele 1977
- Ipuka van
- Ipuka van Harten & Ilharco 1976
- Ipuka van Harten & Marco 1975
- Ipuka van Keymeulen & Degheele 1977
- Ipuka van Marten & Ilharco 1975
- Ipunina
- Ipunina Nielsen & Frassinetti 2008
- Ipunina vladimiri
- Ipunina vladimiri Nielsen & Frassinetti 2008
- Iqualadelphis Fox 1987
- Iqualadelphis lactea
- Iqualadelphis lactea Fox 1987
- Iquana
- Iquana iquana
- Iquanodectes
- Iquanodectes Cope, 1872
- Iquanodectes spilurus
- Iquanodectes spilurus (Guenther, 1864)
- Iquanodectes spilurus (Günther, 1864)
- Iquanodectus
- Iquanodectus spilurus
- Iquanodon mantelli
- Iquaracetima
- Iquaracetima Galileo & Martins 1995
- Iquiara
- Iquiara Martins & Galileo 1998
- Iquiara tuiuca
- Iquiara tuiuca Júlio, Giorgi & Monné 2000
- Iquiara tuiuca Júlio, Giorgi & Monné, 2000
- Iquiara tuiuca J�lio, Giorgi & Monn� 2000
- Iquiara tuiuca Martins & Galileo 1998
- Iquiara tuiuca Martins & Galileo, 1998
- Iquiara tuiuca MARTINS U. R., GALILEO M. H. M., 1998
- Iquiladelphis lactea
- Iquiladelphis lactea Fox 1987
- iquiquensis Castillo 1968
- Iquiracetima
- Iquiracetima aspasia
- Ira albirenata
- Ira albirenata Warren 1906
- Ira atomaria
- Ira atomaria Walker 1860
- Ira capnodiata
- Ira crenulata
- Ira dislocata
- Ira gundlachiana
- Ira gundlachiana Neumoegen 1890
- Ira incata
- Ira incata (Schaus 1901)
- Ira marmorata
- Ira medullata
- Ira medullata Dyar 1918
- Ira Neumoegen 1890
- Ira olivata
- Ira prouti
- Ira prouti Giacomelli 1911
- Ira ruadhanaria
- Ira somnolenta
- Ira somnolenta Warren 1904
- Ira subcostata
- Ira subcostata Warren 1900
- Ira subdentilinea
- Ira subdentilinea Dognin 1911
- Ira tanagra
- Ira testinata
- Ira testinata (Guenee 1858)
- Ira tharbaria
- Irbisia arcuata
- Irbisia arcuata Van D.
- Irbisia bliveni
- Irbisia bliveni Schwartz 1984
- Irbisia bliveni Schwartz, 1984
- Irbisia brachycera
- Irbisia brachycera (Uhler 1872)
- Irbisia brachycera (Uhler, 1872)
- Irbisia brachycera (Uhler,1872)
- Irbisia brachycerus
- Irbisia brachycerus solani
- Irbisia brachycerus solani (Heidemann 1910)
- Irbisia brachycerus solani (Heidemann, 1910)
- Irbisia californica
- Irbisia californica van
- Irbisia californica van Duzee 1921
- Irbisia californica Van Duzee, 1921
- Irbisia cascadia
- Irbisia cascadia Schwartz ,1984
- Irbisia cascadia Schwartz 1984
- Irbisia cascadia Schwartz, 1984
- Irbisia castanipes
- Irbisia castanipes Van Duzee 1921
- Irbisia castanipes Van Duzee, 1921
- Irbisia castanipes van Duzee,1921
- Irbisia cuneomaculata
- Irbisia cuneomaculata Blatchley 1934
- Irbisia cuneomaculata Blatchley, 1934
- Irbisia elongata
- Ircila hecate
- Ircila hecate Herrich-Schäffer 1854
- Ircila hecate Herrich-Sch�ffer 1854
- Ircila Houlbert 1918
- Ircinia
- Ircinia (Psammocinia)
- Ircinia (Psammocinia) Lendenfeld 1889
- Ircinia (Psammocinia) wistarii
- Ircinia (S.) muscarum (O. Schmidt )
- Ircinia (Sarcotragus)
- Ircinia (Sarcotragus) muscarum (Schmidt )
- Ircinia (Sarcotragus) ramosa (Keller )
- Ircinia (Sarcotragus) sp.
- Ircinia (Sarcotragus) spinulosa (O. Schmidt )
- Ircinia acuta
- Ircinia akaroa
- Ircinia akaroa Cook & Bergquist 1999
- Ircinia akaroa Cook & Bergquist, 1999
- Ircinia akaroa Cook & Bergquist, 1999 E
- Ircinia aligera
- Ircinia aligera (Burton 1928)
- Ircinia aligera (Burton, 1928)
- Ircinia anomala
- Ircinia anomala (Dendy 1905)
- Ircinia anomala (Dendy, 1905)
- Ircinia anomala Dendy 1905
- Ircinia anomala Dendy, 1905
- Ircinia arbuscula
- Ircinia arbuscula (Hyatt 1877)
- Irdanites aphelum
- Irdanites kaufmanni
- Irdanites kaufmanni Klug 2001
- Irdanites Klug 2001
- Irdanites korni
- Irdanites korni Klug 2001
- Irdanites leptum
- Irdanites leptum (Ruan 1981)
- Irdanites? aphelum (Ruan 1981)
- Irdex
- Irdex bicuneatus
- Irdex bicuneatus Borelli 1932
- Irdex brevis
- Irdex brevis Brindle 1970
- Irdex BURR
- Irdex Burr 1911
- Irdex Burr, 1911
- Irdex burri
- Irdex burri Srivastava 1975
- Irdex ceylonensis
- Irdex ceylonensis Srivastava 1982
- Irdex chapmani
- Irdex chapmani Brindle 1980
- Irdex chauhani
- Irdex chauhani Srivastava 1975
- Irdex cingalensis
- Irdex cingalensis (Dohrn 1865)
- Irdex cydolabia
- Irdex dakshinkaliensis
- Iredaldla
- Iredaldla Whitley 1931
- Iredale genera
- iredale's worm eel
- Iredalea
- Iredalea (Pleurotomidae)
- Iredalea acuminata
- Iredalea coffea (E.A. Smith) 1882
- Iredalea ella
- Iredalea ella (Pilsbry & Lowe) 1932
- Iredalea exilis
- Iredalea exilis (Pease 1868)
- Iredalea exilis pusilla
- Iredalea impendens
- Iredalea inclinata
- Iredalea inclinata (Sowerby 1893)
- Iredalea macleayi
- Iredalea Oliver 1915
- Iredalea Oliver, 1915
- Iredalea perfecta
- Iredalea perfecta Pilsbry & Lowe
- Iredalea perfectus (Pilsbry & Lowe) 1932
- Iredalea pupoidea
- Iredalea pusilla
- Iredalea pygmaea
- Iredalea pygmaea (Dunker) 1860
- Iredalea pymaea
- Iredalea stoppanii
- Iredalea subtropcalis
- Irga virescens Benth.
- Irgilla
- Irgilla Swinhoe 1900
- Irgislella
- Irgitkhemia
- Irgitkhemia CHERNYSHEVA 1977
- Irgitkhemia insolita
- Irgitkhemia insolita Chernysheva 1977
- Irhhoudicoscinus Debrenne 1977
- Irhirea
- Irhirea gigantea
- Irhirea gigantea (Termier & Termier 1950)
- Irhirea Havlicek 1971
- Irhoudia
- Irhoudia bohlini
- Irhoudia bohlini Jaeger 1971
- Irhoudia Jaeger 1971
- Irhoudia robinsoni
- Irhoudia robinsoni Jaeger 1977
- Irhoudicoscinus
- Irhoudicoscinus Debrenne 1977
- Irhoudicoscinus destombesi
- Irhoudicoscinus destombesi Debrenne 1977
- Iria (Persoon)
- Iria (Persoon) Hedwig 1806
- Iria (Persoon) Hedwig, 1806
- Iria (Rich. ex Pers.) Hedw.
- Iria (Rich. ex Pers.) R.Hedw.
- Iria acicularia
- Iria acicularia (R.Br.) Kuntze
- Iria acicularis
- Iria acicularis (R.Br.) Kuntze
- Iria acuminata
- Iria acuminata (Vahl) Kuntze
- Iria aestivalis
- Iria aestivalis (Vahl) Kuntze
- Iria androgyna
- Iria androgyna (R.Br.) Kuntze
- Iria angularis
- Iria angularis (Link) Kuntze
- Iria aphylla
- Iria aphylla (Kunth) Kuntze
- Iria apus
- Iria apus (A.Gray) Kuntze
- Iria apus Kuntze
- Iria arnottiana
- Iria arnottiana (Boeck.) Kuntze
- Iria autumnalis
- Iria autumnalis (L.) Kuntze
- Iria autumnalis caespitosa
- Iria autumnalis geminata
- Iria autumnalis Kuntze
- Irkutonecta
- Irkutonecta longiclavalis
- Irkutonecta longiclavalis Popov 1985
- Irkutonecta Popov 1985
- Irlandiana
- Irlandiana chinai
- Irlandiana chinai Lallemand 1957
- Irlandiana Lallemand 1957
- Irlbachia
- Irlbachia alata
- Irlbachia alata (Aubl.) Maas
- Irlbachia alata (Aubl.) Maas ssp. matogrossensis Persoon & Maas
- Irlbachia alata (Aubl.) Maas subsp. alata
- Irlbachia alata (Aubl.) Maas subsp. alata W.R. Anderson
- Irlbachia alata (Aubl.) Maas subsp. alba (Progel) J.G.M.Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. alba (Spruce ex Progel) J. Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. alba (Spruce ex Progel) Persoon & Maas
- Irlbachia alata (Aubl.) Maas subsp. angustifolia (Kunth) J. Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. angustifolia (Kunth) Persoon & Maas
- Irlbachia alata (Aubl.) Maas subsp. arborea (Spruce ex Progel) J. Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. arborea (Spruce ex Progel) Persoon & Maas
- Irlbachia alata (Aubl.) Maas subsp. longistyla J. Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. longistyla Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. longistyla Persoon & Maas
- Irlbachia alata (Aubl.) Maas subsp. matogrossensis J. Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. matogrossensis J.G.M.Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. matogrossensis Persoon & Maas
- Irlbachia alata (Aubl.) Maas subsp. viridiflora (Mart.) J. Pers. & Maas
- Irlbachia alata (Aubl.) Maas subsp. viridiflora (Mart.) Persoon & Maas
- Irlbachia alata (Aubl.) Maas subsp. viridiflorus (Mart.) J.G.M.Pers. & Maas
- Irlbachia alata (Aublet) Maas subsp. alata
- Irlbachia alata (J.B. Aublet) P.J.M. Maas subsp. alata
- Irlbachia alata alata
- irma (Hartmeyer 1927)
- Irma angustifrons
- Irma angustifrons Grube 1878
- Irma angustifrons Grube, 1878
- Irma angustifrons Hoagland 1920
- Irma Bouton ex A.DC.
- Irma de Gregorio 1930
- Irma Grube 1878
- irma Hartmeyer 1927
- Irma latifrons
- Irma latifrons Grube 1878
- Irma latifrons Grube, 1878
- Irma limicola
- Irma limicola Willey 1905
- Irma limicola Willey, 1905
- Irma mutilata
- Irma mutilata (Tr. )
- Irmakia
- Irmakia Reiss 1988
- Irmaos
- Irmaos Ferrara & Taiti 1983
- Irmaos Ferrara & Taiti, 1983
- Irmaos lobatus
- Irmaos lobatus Ferrara & Taiti 1983
- Irmaos lobatus Ferrara & Taiti, 1983
- Irmaos sechellarum
- Irmaos sechellarum Ferrara & Taiti 1983
- Irmaos sechellarum Ferrara & Taiti, 1983
- Irmaosidae
- Irnia Roewer 1935
- Irnia scabra
- Irnia scabra Roewer 1935
- Irnpatietinum asiaticum
- Iroata Adamson 1897
- Iroata Distant 1886
- Irochilus
- Irochilus Matsumura 1929
- Irochrotus
- Irochrotus Am. & S.
- Irochrotus Amyot & Serville
- Irochrotus Amyot & Serville 1843
- Irochrotus caspius
- Irochrotus caspius Jakovlev 1875
- Irochrotus caucasicus
- Irochrotus caucasicus Jak
- Irochrotus caucasicus Jakovlev 1875
- Irochrotus excisus
- Irochrotus hirtus
- Irochrotus hirtus Fieb.
- Irochrotus incisus
- Irochrotus incisus Stal
- Irochrotus indicus
- Irochrotus lanatus
- Irochrotus lanatus (Pallas 1773)
- Irochrotus lanatus Pal
- Irochrotus lobatus
- Irochrotus lobatus Zheng & Liu 1987
- Irochrotus maculiventris
- Irochrotus maculiventris (Germar 1839)
- Irochrotus maculiventris Germar 1839
- Irochrotus majusculus
- Irochrotus majusculus Kerzhner 1976
- Irpa abyssicola
- Irpa abyssicola Danielssen & Koren 1878
- Irpa abyssicola Danielssen & Koren, 1878
- Irpa abyssicola Kor. & Dan.
- Irpa Danielssen & Koren 1878
- Irpa Danielssen & Koren 1882
- Irpa diagnosis
- Irpa ludwigi
- Irpacaenis
- Irpacaenis coolooli
- Irpacaenis coolooli Suter 1999
- Irpacaenis deani
- Irpacaenis deani Suter 1999
- Irpacaenis kaapi
- Irpacaenis kaapi Suter 1999
- Irpacaenis Suter 1999
- Irpaspongia
- Irpaspongia Mehl & Mostler 1994
- Irpaspongia permica
- Irpaspongia permica Mehl & Mostler 1994
- Irpex
- irpex (Menzies & Frankenberg 1966)
- Irpex africanus
- Irpex africanus Van der Byl
- Irpex africanus Van der Byl 1934
- Irpex alaskensis
- Irpex alaskensis (Lindsey & Gilb.) Kotir. & Saaren.
- Irpex alaskensis (Lindsey & Gilb.) Kotir. & Saaren. 2002
- Irpex albofuscus
- irradians Jenkins 1901
- irradians Lamarck 1819
- irrasa (Scott A. 1902)
- irrasa A. Milne Edwards 1880
- irrasa Hureau & Ozouf-Costaz 1980
- irrasa Karnella & Lachner 1981
- irrasa Scott A. 1902
- irrasa Scott T. & A. 1894
- Irrasinus
- Irrasinus dumasi
- Irrasinus dumasi Gordon & Skelley 2007
- Irrasinus dumasi Gordon & Skelley, 2007
- Irrasinus Gordon & Skelley 2007
- Irrasinus stupidus
- Irrasinus stupidus (Horn 1870)
- Irrasinus stupidus (Horn)
- Irrasinus stupidus Horn 1870
- Irrasinus stupidus Horn, 1870
- irrasus (Scott T. & A. 1894)
- irrasus (Smith 1959)
- irrasus Smith 1959
- Irrawaddia
- Irrawaddia Sahni & Sastri 1954
- Irrawaddia tibetica
- Irrawaddia tibetica Sahni & Sastri 1954
- Irrawaddia trigonalis
- Irrawaddia trigonalis Sahni & Sastri 1954
- Irrawadioxylon
- Irrawadioxylon K. M. Gupta, 1936
- Irschfeldia incana
- Irsiola
- Irsiola P. Browne
- Irsiola P. Browne 1756
- Irsiola P. Browne ex Raf.
- Irsiola P. Browne, 1756
- Irsiola P.Br.
- Irsiola P.Browne
- Irsiola sicyoides
- Irsiola sicyoides (L.) Raf.
- Irsiola sicyoides Raf.
- Irsmia
- Irsmia Cach.
- Irsmia Cachan 1952
- Irsmia imernensis
- Irsmia imernensis Cachan 1952
- Irtugovia
- Irtugovia L.P. Perestenko 1994
- Irtugovia L.P. Perestenko, 1994
- Irtugovia pacifica
- Irtugovia pacifica (Harvey) Perestenko
- Irtugovia pacifica (Harvey) Perestenko 1994
- Irtugovia pacifica (Harvey) Perestenko, 1994
- Irtugovia Perestenko 1944
- Irtugovia Perestenko 1994
- Irtugovia shimamurana
- Irtugovia shimamurana (Nagai) L.P. Perestenko, 1994
- Irtugovia shimamurana (Nagai) Perestenko
- Irtugovia shimamurana (Nagai) Perestenko 1994
- Irtugovia spirographidis
- Irtugovia spirographidis (Schiffner) Perestenko
- Irtugovia spirographidis (Schiffner) Perestenko 1994
- Irtyshenia
- Irtyshenia lusatica
- Irtyshenia P. I. Dorofeev, 1972
- Irtyshenia P.I. Dorofeev 1972
- Iru concava
- Iru Öpik 1934
- Iruana
- Iruana brignolii
- Iruana brignolii Boulard 1981
- Iruana Distant
- Iruana Distant 1905
- Iruana meruana
- Iruana meruana Boulard 1990
- Iruana rougeoti
- Iruana rougeoti Boulard 1975
- Iruana sulcata
- Iruana sulcata Distant 1905
- Iruanaria
- Iruanaria Boulard 1993
- Irukanema
- Irukanema dalli
- Irukanema dalli Yamaguti 1951
- Irukanema Yamaguti 1951
- Irulia
- Irulia Bedd.
- Irulia Bedd., 1873
- Irulia travancorica
- Irulia travancorica Bedd.
- Irumua
- Irumua bifurcata
- Irumua caeca Roewer 1961
- Irumua Roewer 1961
- Irumuinae
- Irvinea
- Irvinea ardreana
- Irvinea ardreana (Brodie & Guiry) Guiry
- Irvinea ardreana (Brodie & Guiry) Guiry 1999
- Irvinea ardreana (Brodie & Guiry) Guiry, 1999
- Irvinea boergesenii
- Irvinea boergesenii (Feldmann) R.J. Wilkes, L.M. McIvor & Guiry, 2006
- Irvinea Guiry 1999
- Irvinea hancockii (E.Y. Dawson) R.J. Wilkes, L.M. McIvor & Guiry, 2006
- Irvinea M.D. Guiry in G.W. Saunders, I.M. Strachan & G.T. Kraft 1999
- irvineae J. Agardh 1894
- irvineanum Woelkerling & S.J. Campbell 1992
- irvinei Norman 1931
- Irvineia
- Irvineia orientalis
- Irvineia orientalis Trewavas 1964
- Irvineia orientalis Trewavas 1964 sec. Eschmeyer 2004
- Irvineia orientalis Trewavas, 1964
- Irvineia Trewavas 1943
- Irvineia Trewavas 1943 sec. Eschmeyer 1998
- Irvineia Trewavas 1943 sec. Eschmeyer 2004
- Irvineia Trewavas 1943 sec. Trewavas 1964
- Irvineia Trewavas, 1943
- Irvineia voltae
- Irvineia voltae Trewavas 1943
- Irvineia voltae Trewavas 1943 sec. Eschmeyer 2004
- Irvineia voltae Trewavas, 1943
- Irvingara
- Irvingara cross
- Irwinia
- Irwinia Barroso
- Irwinia coronata
- Irwinia coronata Barroso
- Irwinia coronata Barroso, 1980
- Irwinia coronata G.M. Barroso
- Irwinia coronata G.M.Barroso
- Irwinia Cortes 1967
- Irwinia G. M. Barroso, 1980
- Irwinia G.M. Barroso
- Irwinia G.M. Barroso 1980
- Irwinia G.M.Barroso
- Irwinia pollinosa
- Irwinia pollinosa Cortes 1967
- Irwinia pollinosa Cortes, 1967
- Irwiniana
- Irwiniana glabrifrons
- Irwiniana glabrifrons Kelsey 1971
- Irwiniana glabrifrons Kelsey, 1971
- Irwiniana graciliparamera
- Irwiniana graciliparamera Kelsey 1971
- Irwiniana graciliparamera Kelsey, 1971
- Irwiniana irwini
- Irwiniana irwini Kelsey 1971
- Irwiniana irwini Kelsey, 1971
- Irwiniana Kelsey 1971
- Irwiniella
- Irwiniella albina
- Irwiniella albina Wiedemann 1819
- Iryanthera (Alph. de Candolle) Warburg 1896
- Iryanthera (Alph. de Candolle) Warburg, 1896
- Iryanthera campinae
- Iryanthera campinae W. A. Rodrigues
- Iryanthera campinae W.A. Rodrigues
- Iryanthera campinae W.A.Rodrigues
- Iryanthera congestiflora
- Iryanthera congestiflora J. F. Macbr.
- Iryanthera congestiflora J. F. Macbr., 1934
- Iryanthera congestiflora J.F. Macbr.
- Iryanthera congestiflora J.F.Macbr.
- Iryanthera coriacea
- Iryanthera coriacea Ducke
- Iryanthera crassifolia
- Iryanthera crassifolia A. C. Sm.
- Iryanthera crassifolia A. C. Sm., 1937
- Iryanthera crassifolia A. C. Smith
- Iryanthera crassifolia A.C. Sm.
- Iryanthera crassifolia A.C.Sm.
- Iryanthera densiflora
- Iryanthera densiflora Huber
- Iryanthera dialyandra
- Iryanthera dialyandra Ducke
- Iryanthera dixonii
- Iryanthera dixonii Little
- Iryanthera elliptera
- Iryanthera elliptera Ducke
- Iryanthera elliptica
- Iryanthera elliptica Ducke
- Isa brusha
- Isa brusha (Dyar 1927)
- Isa diana
- Isa obscura
- Isa obscura (Dyar 1905)
- Isa Packard 1864
- Isa schaefferana
- Isa schaefferana (Dyar 1905)
- Isa textula
- Isa textula (Herrich-Schäffer 1854)
- isaac Bergman 1987
- isaaci Hooper 1996
- isaacii P.C. Silva 1959
- isaacii Simons 1960
- isaacsi (Houart 1984)
- isaacsi (Wisner 1974)
- isaacsi Houart 1984
- isaacsi Kornicker 1975
- isaacsi Matsui & Rosenblatt 1987
- isaacsi Raju 1974
- isaacsi Wisner 1974
- Isaacsicalanus
- Isaacsicalanus Fleminger 1983
- Isaacsicalanus paucisetus
- Isaacsicalanus paucisetus Fleminger 1983
- Isaacsicalanus paucisetus Fleminger, 1983
- Isaatroea arenellensis
- Isaba
- Isaba Chenu 1859
- Isbarta aspasia
- Isbarta aspasia Snell
- Isbarta binghami
- Isbarta binghami Butl.
- Isbarta curiosa
- Isbarta curiosa Swinh.
- Isbarta cyanescens
- Isbarta cyanescens Hamps.
- Isbarta extrema
- Isbarta imitans
- Isbarta maassi
- Isbarta pagenstecheri
- Isbarta pandemia
- Isbarta pieridoides
- Isbarta pieridoides shinkawai
- Isbarta pieridoides shinkawai Nakamura 1974
- Isbarta podagra
- Isbarta podagra Swinhoe 1908
- Isbarta unicolor
- Isbarta unicolor Hampson 1920
- Isbarta Walker 1856
- Isbergia
- Isbergia cf I planifrons Warburg 1925
- Isbergia dactyla
- Isbergia dactyla Xia 1978
- Isbergia I. virginica Cooper
- Isbergia lenis
- Isbergia lenis (Owens & Hammann 1990)
- Isbergia pagodia
- Isca (Minyphlebia)
- Isca (Minyphlebia) Peters & Edmunds 1970
- Isca (Tanycola)
- Isca (Tanycola) Peters & Edmunds 1970
- Isca fascia
- Isca fascia Nguyen & Bae 2003
- Isca Gillies 1951
- Isca janiceae
- Isca janiceae Peters & Edmund 1970
- Isca purpurea
- Isca purpurea Gillies 1951
- Isca purpurea Gillis
- Iscadia
- Iscadia annulata
- Iscadia annulata (Swinhoe 1890)
- Iscadia aperta
- Iscadia aperta Druce
- Iscadia aperta Walker 1857
- Iscadia apertella
- Iscadia apertella Strand 1917
- Iscadia argentea
- Iscadia buckleyi
- Iscadia buckleyi Druce 1890
- Iscadia bucleyi
- Iscadia candezei
- Iscadia chlorographa
- Iscadia daemonassa
- Iscadia diopis
- Iscadia diopis Hampson 1905
- Isdegardes Distant 1909
- Isdodiaptomus
- Isdodiaptomus Kiefer 1932
- Isdon
- Isdon lophanthoides var. lophanthoides
- Isdromas
- Isdromas flavolineatus
- Isdromas flavolineatus (Cameron)
- Isdromas Foerster 1868
- Isdromas Foerster 1869
- Isdromas Förster 1868
- Isdromas granulatus
- Isdromas granulatus Gauld
- Isdromas granulatus Gauld 1984
- Isdromas lycaenae
- Isdromas lycaenae (Howard 1889)
- Isdromas lycaenae (Howard)
- Isdromas lycaenae Howard, 1889
- Isdromas monterai
- Isdromas monterai (Costa Lima)
- Isdromas paternicus
- Isdromas paternicus Gauld
- Isdromas paternicus Gauld 1984
- Isdromas peruvianus
- Isdromas peruvianus (Viereck)
- Isdromas varipes
- Isdromas varipes (Cameron)
- Isdromas yuendumui
- Isdromas yuendumui Gauld
- Isea elongata
- Isea elongata Guerin-Meneville 1832
- [[Isea elongata Guerin[-Meneville] 1832]]
- [[Isea elongata Guerin[Meneville] 1832]]
- Isea Guérin-Ménéville 1832
- [[Isea Guerin[-Meneville] 1832]]
- iseana (Oka & Hara 1922)
- iseana ItoTak 1956
- Isechinus
- Isechinus delphinus
- Isechinus Lambert 1903
- Isechinus praecursor
- Isectolophid
- Isectolophidae
- Isectolophinae
- Isectolophomorpha
- Isectolophomorpha Prothero & Schoch 1989
- Isectolophus
- Isectolophus annectans
- Isectolophus annectans Scott & Osborn 1887
- Isectolophus annectens
- Isectolophus bogdulensis
- Isectolophus bogdulensis Reshetov 1979
- Isectolophus f. annectans Rut. 1891, nec Scott & Osborn 1887
- Isectolophus latidens
- Isectolophus latidens (Osborn, Scott & Speir 1878)
- Isectolophus latidens (Osborn, Scott & Speir 1887)
- Isectolophus radinskyi
- Isectolophus radinskyi Schoch 1983
- Isfahan virus ICTV
- Isfahan virus Isfahan virus ICTV
- Isfarella
- Isfarella ? magna Neustrueva 1968
- Isfarella alta
- Isfarella alta Neustrueva 1968
- Isfarella elongata
- Isfarella elongata Neustrueva 1968
- Isfarella Neustrueva 1968
- Isfariopsis
- Isfarispira
- Isfarispira Gubanov, Peel & Pianovskaya 1995
- Isfarispira septata
- Isfarispira septata Gubanov, Peel & Pianovskaya 1995
- Isfaroptera
- Isfaroptera grylliformis
- Isfaroptera grylliformis Martuinov 1937
- Isfaroptera Martuinov 1937
- Isfaroptera Martynov 1937
- Isfaroptera yujiagouensis
- Isfaroptera? yujiagouensis
- Isfaroptera? yujiagouensis Hong 1983
- Isfaropteridae
- Isfaropterinae
- Isfaropterinae Gorochov 1986
- Isfjordosaurus
- Isfjordosaurus minor
- Isfjordosaurus minor (Wiman 1910)
- Isfjordosaurus Motani 1999
- Isgamera Giordani Soika 1956
- Isgamera giordanii
- Isgamera giordanii Canzoneri
- Isgamera giordanii Canzoneri 1980
- Isgamera giordanii Canzoneri 1981
- Isgamera giordanii Canzoneri, 1981
- Isgamera globicornis
- Isgamera globicornis Giordani Soika
- Isgamera globicornis Giordani Soika 1956
- Isgamera globicornis Giordani Soika, 1956
- Isgarum
- Isgarum didymum
- Isgarum didymum Raf.
- Isgarum Raf.
- Isgarum Rafinesque 1837
- Isgarum Rafinesque, 1837
- Isgnogramme
- Isgnogramme Hieronymus
- Isgnomon alatus Gmelin 1791
- Isgnomon radiatus Anton 1839
- Ishadites murchisoni Eichwald, 1861
- Ishaia
- Ishaia Chamberlin 1925
- Ishakidris
- Ishakidris ascitaspis
- Ishakidris ascitaspis Bolton
- Ishakidris ascitaspis Bolton 1984
- Ishakidris ascitaspis Bolton, 1984
- Ishakidris Bolton 1984
- Ishakidris Bolton, 1984
- Ishamella
- Ishamella apertura
- Ishamella apertura Buzas & Severin 1982
- Ishamella Buzas & Severin 1982
- Ishamella Buzas & Severin, 1982
- Ishania
- Ishania absoluta
- Ishania absoluta (Gertsch & Davis 1940)
- Ishania absoluta (Gertsch & Davis, 1940)
- Ishania aztek
- Ishania aztek Jocqué & Baert, 2002
- Ishania aztek Jocqu¿ & Baert 2002
- Ishania aztek Jocqu‚ & Baert, 2002
- Ishania aztek Jocqu� & Baert 2002
- Ishania centrocavata
- Ishania centrocavata Jocqué & Baert, 2002
- Ishania centrocavata Jocqu¿ & Baert 2002
- Ishania centrocavata Jocqu‚ & Baert, 2002
- Ishania centrocavata Jocqu� & Baert 2002
- Isia alcumena
- Isia alcumena Berg 1882
- Isia anixielloides
- Isia anixielloides Udagawa & Y. Sugiy.
- Isia anixielloides Udagawa & Y. Sugiy. 1982
- Isia cornula
- Isia cornula Travassos 1947
- Isia cornuta
- Isia cornuta Travassos 1947
- Isia D. Hawksw. & Manohar. 1978
- Isia D. Hawksworth & Manoharachary 1978
- Isia D. L. Hawksworth et C. Manoharachary, 1978
- Isia flavitincta
- Isia flavitincta Rothschild 1910
- Isia intricata
- Isia intricata Walker 1856
- Isia isabella
- Isia kennedyi
- Isia kennedyi Rothschild 1910
- Isia neocaledoniensis
- Isia neocaledoniensis (C. Moreau) D. Hawksw. & Manohar.
- Isia neocaledoniensis (C. Moreau) D. Hawksw. & Manohar. 1978
- Isia steinbachi
- Isia steinbachi Rothschild 1910
- Isia Walker 1856
- Isias
- Isias (Baeck )
- Isias (Baeck)
- Isias Boeck 1864
- Isjuminelina Makridin in Sarycheva 1960
- Isjuminella
- Isjuminella decorata
- Isjuminella decorata (von Schlotheim 1820)
- Isjuminella Makridin 1955
- Isjuminella Makridui 1955
- Isjuminella pseudodecorata
- Isjuminellinae
- Isjuminellinae Mancenido & Owen 2002
- Iskandera alaica
- Iskandera alaica (Korsh.) Botsch. & Vved.
- Iskandera hissarica
- Iskandera hissarica N. Busch
- Iskandera hissarica N.Busch
- Iskandera N. A. Busch, 1939
- Iskandera N. Busch
- Iskandera N.A. Busch 1939
- Iskandera N.Busch
- Iskanderkulia
- Iskanderkulia V. D. Saltovskaja in M. R. Dzhalolov, 1984
- Iskanderkulia V.D. Saltovskaja in M.R. Dzhalolov 1984
- Iskarus
- Iskarus Kolarov 1987
- Iskarus seleuciformis
- Iskarus seleuciformis Kolarov
- Iskarus seleuciformis Kolarov 1987
- Iskenderia
- Iskenderia fedtshenkoi
- Iskenderia fedtshenkoi Kirichenko 1952
- Iskenderia fedtshenkoi Kiritshenko 1952
- Iskenderia Kirichenko 1952
- iskovi Kovaleva Donetz et Kolesnikova 1989
- iskrecensis Apostolov 1997
- iskrecensis Pandourski 1992
- Iskutana
- Iskutana Pate 1942
- Isla Navás 1914
- Isla verenda Navás, 1914
- Isla verenda Nav�s 1914
- Isla verendus
- Isla verendus Navas 1914
- Isla Vista virus
- Isla Vista virus ICTV
- [[Isla Vista virus {S: [U19302] Isla Vista virus ICTV]]
- Islamia
- Islamia anatolica
- Islamia anatolica Radoman 1974
- Islamia archeducis
- Islamia archeducis Boeters & Beckman 2007
- Islamia archeducis Boeters & Beckmann
- Islamia ateni
- Islamia ateni (Boeters 1969)
- Islamia ateni (Boeters, 1969)
- Islamia azarum
- Islamia azarum Boeters & Rolan 1988
- Islamia bendidis
- Islamia bendidis Reischutz 1988
- Islamia bomangiana
- Islamia bomangiana Boeters & Falkner 2003
- Islamia bomangiana Boeters & Falkner, 2003
- Islamia bosniaca
- Islamia bosniaca Radoman 1973
- Islamia bourguignati
- Islamia bourguignati (Letourneux 1869)
- Islamia bourguignati (T. Letourneux 1869)
- Isma ? homclea Hew.
- Isma bicolor
- Isma bicolor Evans 1926
- Isma binotatus
- Isma binotatus Elwes & Edwards 1897
- Isma bipunctata
- Isma bipunctata Elwes & Edwards 1897
- Isma bononia
- Isma bononia bononia Hewitson
- Isma bononia Hewitson 1868
- Isma bononia idyalis
- Isma bononoides
- Isma bononoides Druce 1912
- Isma bonota
- Isma bonota Cantlie & Norman 1959
- Isma cicatrosa
- Isma cicatrosa Elwes & Edwards 1897
- Isma cinnamomea
- Isma cinnamomea (Elwes & Edwards 1897)
- Isma cinnamomea Elwes & Edwards 1897
- Isma concinna
- Isma concinna Elwes & Edwards 1897
- Isma cronus
- Isma cronus De Nicéville 1894
- Isma cronus De Nic�ville 1894
- Isma damocles
- Isma damocles (Evans 1939)
- Isma damocles Evans 1939
- Isma damocles flavoguttata
- Isnarda Cothen.
- Isnarda St.-Lag.
- Isnardia
- Isnardia aenigmatica
- Isnardia aenigmatica Borrello 1966
- Isnardia alata
- Isnardia alata (Elliott) DC.
- Isnardia alata DC.
- Isnardia alternifolia
- Isnardia alternifolia (L.) DC.
- Isnardia alternifolia (L.) DC. var. salicifolia (Poir.) DC.
- Isnardia alternifolia (L.) DC. var. uniflora (Raf. ) DC.
- Isnardia alternifolia (L.) DC. var. uniflora (Raf.) DC.
- Isnardia alternifolia salicifolia
- Isnardia alternifolia var. salicifolia
- Isnardia alternifolia var. salicifolia (Poir.) DC.
- Isnardia alternifolia var. uniflora
- Isnardia alternifolia var. uniflora (Raf.) DC.
- Isnardia arcuata
- Isnardia arcuata Kuntze
- Isnardia ascendens
- Isnardia ascendens Hall ex Eaton & Wright
- Isnardia ascendens Hall in Eaton
- Isnardia aurantiaca
- Isnardia aurantiaca DC.
- Isnardia Borrello 1966
- Isnardia Borrello 1967
- Isnardia capitata
- Isnardia capitata (Walter) DC.
- Iso flos-indicus
- Iso flos-maris
- Iso flosindicus
- Iso flosindicus Herre 1944
- Iso flosindicus Herre 1944 sec. Eschmeyer 2004
- Iso flosmaris
- Iso flosmaris (non Jordan & Starks 1901)
- Iso flosmaris (non Jordan & Starks, 1901)
- Iso flosmaris Jordan & Starks
- Iso flosmaris Jordan & Starks 1901
- Iso flosmaris Jordan & Starks 1901 sec. Eschmeyer 2004
- Iso flosmaris Jordan & Starks, 1901
- Iso flosmaris Jordan and Starks, 1901
- Iso flosmaris Jordan et Starks, 1901
- Iso hawaiiensis
- Iso hawaiiensis (non Gosline 1952)
- Iso hawaiiensis (non Gosline, 1952)
- Iso hawaiiensis Gosline 1952
- Iso hawaiiensis Gosline 1952 sec. Eschmeyer 2004
- Iso hawaiiensis Gosline 1952 sec. Mundy 2005
- Iso hawaiiensis Gosline 1952 sec. Randall In Press
- Iso hawaiiensis Gosline, 1952
- Iso Jordan & Starks 1901
- Iso Jordan & Starks 1901 sec. Eschmeyer 1998
- Iso Jordan & Starks 1901 sec. Eschmeyer 2004
- Iso Jordan & Starks 1901 sec. Gosline 1952
- Iso Jordan & Starks 1901 sec. Herre 1944
- Iso Jordan & Starks 1901 sec. Mundy 2005
- Iso Jordan & Starks 1901 sec. Randall In Press
- Ispadina picta natalensis
- Ispanayella
- Ispanayella Morozova 2001
- Ispanayella pennata
- Ispanayella pennata (Balakin 1975)
- Ispanayella penniformis
- Ispanayella penniformis (Balakin 1975)
- Ispaterus
- Ispaterus Fairmaire 1892
- Ispaterus longipilis
- Ispaterus longipilis Cools 1993
- Ispaterus longipilis Cools, 1993
- Ispaterus longipilis Fairmaire 1892
- Ispaterus longipilis FAIRMAIRE Léon, 1892
- Ispaterus longipilis Fairmaire, 1892
- Ispateus
- Ispateus Frm.
- Ispella ?
- Isphaerella
- Isphaerella Abushik 1968
- Isphairamella
- Isphairamella crigeli
- Isphairamella crigeli Orlovski, 1964
- Isphairamella isphairamensis
- Isphairamella isphairamensis Orlovski, 1964
- Isphairamella Orlovski 1964
- Isphairamella peristomata
- Isphairamella peristomata Orlovski, 1964
- Ispharaella
- Isqteloides divergens Wilson 1932
- Isquierda
- Isquierda aggregata
- Isquierda aggregata Willd.
- Isquierda Willd.
- Isquierdia
- Isquierdia Poir.
- Israel turkey meningoencephalomyelitis virus ICTV
- [[Israel turkey meningoencephalomyelitis virus [AF013377] Israel turkey meningoencephalomyelitis virus ICTV]]
- Israel turkey virus
- Israelaphis
- Israelaphis alistana
- Israelaphis alistana Mier Durante
- Israelaphis alistana Mier Durante 1978
- Israelaphis carmeni
- Israelaphis carmini
- Israelaphis carmini Essig
- Israelaphis carmini Essig 1953
- Israelaphis caucasica
- Israelaphis caucasica Mamontova & Zhuravlev 2003
- Israelaphis Essig
- Israelaphis Essig 1953
- Israelaphis ilharcoi
- Israelaphis ilharcoi Barbagallo & Patti 2000
- Israelaphis lambersi
- Israelaphis lambersi Ilharco 1959
- Israelaphis lambersi Ilharco 1961
- Israelaphis lambersi Ilharco, 1962
- Israelaphis lambersi Ilharco,1962
- Israelaphis tavaresi
- Israelaphis tavaresi alistana
- Israelaphis tavaresi alistana Mier Durante
- Israelaphis tavaresi Ilharco
- Israelaphis tavaresi Ilharco 1961
- Israelaphis tavaresi Ilharco, 1961
- Israelaphis tayaresi
- Issa (Bergh )
- Issa (Bergh)
- Issa Bergh
- Issa Bergh 1880
- Issa Bergh 1881
- [[Issa Bergh 1881 [sep. 1880]]]
- Issa lacera
- Issa lacera (Mull. )
- Issa lacera Mull.
- Issa munda
- Issa munda Walker 1867
- Issa ramosa
- Issa ramosa A. E. Verrill & Emerton 1881
- Issa ramosa A. E. Verrill and Emerton 1881
- Issa ramosa A. E. Verrill and Emerton, 1881
- Issa ramosa Verrill & Emerton in Verrill 1881
- Issa ramosa Verrill & Smith 1881
- Issa villosa
- Issa villosa Odhner 1907
- Issa Walker 1867
- [[Issa Walker [1867]]]
- Issacaris
- Issacaris Fairmaire 1889
- Issacaris petalophora
- Issacaris petalophora Fairmaire 1889
- Issacharella
- Issacharella bisulcata
- Issacharella bisulcata Kozur 1972
- Issacharella blakei
- istanbulensis Battalgil 1941
- istanbulensis Verhoeff 1943B
- Istarba
- Istarba Walker 1865
- Istelus benjamini
- Istelus benjamini Ulrich
- Isterites
- Isterites austriacus
- Isterites austriacus Kutek & Zeiss 1974
- Isterites Barthel 1975
- Isterites franconicus
- Isterites franconicus (Schneid )
- Isterites mazoviensis
- Isterites mazoviensis Kutek & Zeiss 1974
- Isterites spurius
- Isterites spurius (Schneid )
- Isterites subpalmatus
- Isterites subpalmatus (Schneid )
- Isterometra anthus
- isthmensis Meek & Hildebrand 1928
- isthmensis Regan 1907
- Isthmia
- Isthmia (?) elegantula
- Isthmia (Gray )
- Isthmia (Gray)
- Isthmia Agardh 1832
- Isthmia balteata
- Isthmia balteata Distant 1907
- Isthmia balteata Distant, 1907
- Isuasphaera H.D. Pflug 1978
- Isuasphaera isua
- Isuasphaera isua H. D. Pflug 1978
- Isuasphaera isua H.D. Pflug
- Isuasphaera isua H.D. Pflug 1978
- Isudelphus
- Isudelphus Semenow 1901
- Isulcites
- Isulcites Pompeckj 1894
- Isumia
- Isumia Ichikawa & Maeda 1963
- Isumia Ichikawa 1963
- Isumia trapezoidalis
- Isumia trapezoidalis Ichikawa & Maeda 1963
- Isumithyris
- Isumithyris Hatai 1948
- Isumithyris kazusaen sis
- Isumithyris kazusaen sis Hatai 1948
- Isunidothrips
- Isunidothrips Kudo 1992
- Isunidothrips serangga
- Isunidothrips serangga Kudo 1992
- Isuniris aculicollis
- Isurgus
- Isurgus alaskensis
- Isurgus alaskensis Ashmead 1902
- Isurgus brachygaster
- Isurgus brachygaster Szepligeti 1899
- Isurgus diversus
- Isvilina kanygini
- Isvilina kanygini Schallreuter 2003
- Isvilina Schallreuter 2003
- Iswara arabicus
- Iswara arabicus Boni Bartalucci 2004
- Iswara chobauti
- Iswara chobauti (Andre 1898)
- Iswara elongatus
- Iswara elongatus Boni Bartalucci 2004
- Iswara fasciata
- Iswara fasciata Smith 1873
- Iswara fasciatus
- Iswara fasciatus F Smith 1873
- Iswara fasciatus Smith 1873
- Iswara immaturus
- Iswara immaturus (Morawitz 1890)
- Iswara luteus
- Iswara luteus Westwood 1851
- Iswara mateui
- Iswara mateui Suarez 1974
- Iswara mongolicus
- Iswara mongolicus Guiglia 1972
- Iswara mongolicus Guiglia 1973
- Iswara nocturnus
- Iswara nocturnus (Morawitz 1888)
- Iswara pallidus
- Iswara pallidus (Smith 1879)
- Iswara physostomus
- Iswara physostomus Boni Bartalucci 2004
- Iswara rajasthanicus
- Iswara rajasthanicus Chhotani & Ray 1976
- Iswara tartarus
- Isymdus pilosipes
- Isymenia
- Isymenia (J. G. Agardh) J. G. Agardh, 1899
- Isymenia (J.G. Agardh) J.G. Agardh 1899
- Isymenia flabellata
- Isymenia flabellata J. Agardh
- Isymenia flabellata J. Agardh 1899
- Isymenia J. Agardh 1899
- Isyndus
- Isyndus (Stal )
- Isyndus (Stal)
- Isyndus annulipes
- Isyndus annulipes Miller 1958
- Isyndus brevispinus
- Isyndus brevispinus Breddin 1900
- Isyndus h. melanthius Dispons 1969
- Isyndus heros
- Isyndus heros (Stal )
- Isyndus heros Fabricius 1803
- Isyndus heros heros
- Isyndus heros heros Fabricius 1858
- Isyndus heros heros Fabricus 1803
- Isyndus lativentris
- Isyndus lativentris Distant 1919
- Isyndus modestus
- Isyndus modestus Distant 1919
- Isyndus obliquispinus
- Isyndus obscurus
- Isyndus obscurus (Dallas)
- Ita crassicornis
- Ita crassicornis (Tournier, 1871)
- Ita crassirostris
- Ita crassirostris Tournier 1878
- Ita crassirostris Tournier, 1878
- Ita gracilis
- Ita gracilis Tournier 1878
- Ita gracilis Tournier, 1878
- Ita kirschi
- Ita kirschi Tournier 1878
- Ita kirschi Tournier 1879
- Ita kirschi Tournier, 1878
- Ita Tourn.
- Ita Tournier 1878
- Itaballia
- Itaballia amathonte
- Itaballia amathonte Cramer 1777
- Itaballia apicalis
- Itaballia apicalis Butler 1898
- Itaballia caesia tenuicornis
- Itaballia calydonia
- Itaballia calydonia Boisduval 1836
- Itaballia centralis
- Itaballia centralis Joicey & Talbot 1928
- Itaballia charopus
- Itaballia charopus Fruhstorfer 1907
- Itaballia cocana
- Itaballia cocana Fruhstorfer 1907
- Itaballia demophile
- Itbaya Herre 1927
- Itbaya Herre 1927 sec. Eschmeyer 1998
- Itbaya Herre 1927 sec. Eschmeyer 2004
- Itbaya nuda
- Itbaya nuda Herre 1927
- Itbaya nuda Herre 1927 sec. Eschmeyer 2004
- Itbaya nuda Herre, 1927
- Itcheriella lata
- Itcheriella lata Ogienko 1969
- Itcheriella OGIENKO 1969
- Itchetuja
- Itchetuja aculeata
- Itchetuja aculeata Vishnyakova 1983
- Itchetuja Vishnyakova 1983
- itea (Jordan & Fowler 1902)
- Itea amoena
- Itea amoena Chun
- Itea arisanensis
- Itea arisanensis Hayata
- Itea arisanensis Hayata var. longifolia Y. Yamam.
- Itea arisanensis Hayata var. parvifolia Y. Yamam.
- Itea arisanensis longifolia
- Itea arisanensis parvifolia
- Itea bodinieri
- Itea bodinieri H. Lév.
- Itea bodinieri H.Lév.
- Itea caroliniana
- Itea caroliniana Lam.
- Itea chinensis
- Itea chinensis angustata
- Itea chinensis arisanensis
- Itea chinensis coriacea
- Itea chinensis Hook. & Arn.
- Itea chinensis Hook. & Arn. fo. angustata Y.C. Wu
- Itea chinensis Hook. & Arn. var. arisanensis (Hayata) Masam.
- Itea chinensis Hook. & Arn. var. coriacea (Y.C. Wu) Z.P. Jien
- Itea chinensis Hook. & Arn. var. indochinensis (Merr.) Lecompte in Aubr.
- Itea chinensis Hook. & Arn. var. oblonga (Hand.-Mazz.) Y.C. Wu
- Itea chinensis Hook. & Arn. var. pubinervia H.T. Chang
- Itea chinensis Hook. & Arn. var. subserrata Maxim.
- Itea chinensis Hooker & Arnott
- Itea chinensis indochinensis
- Itea chinensis oblonga
- Ithaca anthina
- Ithaca anthina Olliff 1887
- Ithaca Olliff 1887
- Ithacadictya
- Ithacadictya Caster 1939
- Ithacadictya cornelli
- Ithaechma
- Ithaechma oneilli
- Ithaechma oneilli Porter 1998
- Ithaechma Porter 1998
- Ithagenes
- Ithagenes Agassiz 1846
- Ithagenes cruentus kuseri
- Ithagenes Foerster 1868
- Ithagenes Förster 1868
- Ithagenes geoffroyi
- Ithagenes tibetanus
- Ithagenes tibetanus Baker 1914
- Ithagenis
- Ithagenis cruentus cruentus
- Ithagenis Lichtenstein 1854
- Ithagenis wilsoni
- Ithagines
- Ithagines cruentus
- Ithagines sinensis
- Ithagines sinensis David 1876
- Ithaginis
- Ithaginis c. annae Mayr & Band 1937
- Ithaginis c. cruentus
- Iti Garn.-Jones & P.N.Johnson
- Iti lacustris
- Iti lacustris Garn.-Jones & P.N. Johnson
- Iti lacustris Garn.-Jones & P.N.Johnson
- Iti P. J. Garnock-Jones & P. N. Johnson, 1988
- Iti P.J. Garnock-Jones & P.N. Johnson 1988
- Itia
- Itia benthicola
- Itia benthicola Dell 1962
- Itia clatrata
- Itia clatrata Marwick 1931
- Itia Marwick 1931
- Itia Molina
- Itia Molina 1810
- Itia Molina, 1810
- Itiades
- Itiades Kirby 1899
- itica (Noodt 1962)
- itica Noodt 1962
- Iticania
- Iticania loniceroides
- Iticania loniceroides Raf.
- Iticania Raf.
- Iticania Rafinesque 1838
- Iticania Rafinesque, 1838
- Itiera
- Itiera Douvillé 1921
- Itieria
- Itieria (Brouzetia) ellipsoides Yang & Qian 1988
- Itmaharela basalis
- Itmaharela basalis (Moore 1882)
- Itmaharela basalis Moore 1882
- Itmaharela Nye 1975
- Itmaharela obscura
- Itmaharela obscura Wileman 1914
- Itnomia gardneri
- Itoa
- Itoa Hemsl.
- Itoa Hemsley 1901
- Itoa Hemsley, 1901
- Itoa orientalis
- Itoa orientalis glabrescens
- Itoa orientalis hebaclados
- Itoa orientalis Hemsl.
- Itoa orientalis Hemsl. var. glabrescens C.Y. Wu ex G.S. Fan
- Itoa orientalis Hemsl. var. hebaclados S.S. Lai
- Itoa orientalis Hemsl. var. orientalis
- Itoa orientalis Hemsl., 1901
- Itoa orientalis Hemsley
- Itoa orientalis orientalis
- Itoa orientalis var. glabrescens
- Itoa orientalis var. glabrescens C.Y.Wu ex G.S.Fan
- Itoa stapfii
- Itoa stapfii (Koord.) Sleumer
- Itoasia
- Itoasia crassa
- Itoasia crassa (Hook. f.) Kuntze
- Itoasia crassa Kuntze
- Itoasia Kuntze
- Itoasia O. Kuntze 1891
- Itoasia O. Kuntze, 1891
- Itoasia purdiaei
- Itoasia purdiaei Kuntze
- Itoasia purdiei
- Itoasia purdiei (Hook. f.) Kuntze
- Itransvevsalis Gauri 1965
- Itravia cirici
- Itravia gnishikensis
- Itravia inflata
- Itravia mirabile
- Itrium
- Itrium Heyden 1826
- Itrombus isabella
- Itrombus pugilus alatus
- Itruria ovalis
- Itruvia
- Itruvia abbreviata
- Itruvia angusta
- Itruvia armenica
- Itruvia armenica Pchelintsev 1953
- Itruvia canaliculata
- Itruvia caucasica
- Itruvia cerithiiformis
- Itruvia cf. Itruvia abbreviata
- Itruvia cirici
- Itruvia cirici Akopyan 1976
- Itruvia cycloidea
- Itruvia dolioliformis
- Itruvia ferganensis
- Itruvia gigantea
- Itruvia gnishikensis
- Itruvia gnishikensis Akopyan 1976
- Itruvia inflata
- Itruvia inflata Akopyan 1976
- Itsukisauropus
- Itsukisauropus izumiensis
- Ittibittium
- Ittibittium hawaiensis
- Ittibittium Houbri 1993
- Ittibittium Houbrick 1993
- Ittibittium houbricki
- Ittibittium nipponkaiense
- Ittibittium oryza
- Ittibittium oryza (Morch 1876)
- Ittibittium parcum
- Ittibittium parcym
- Ittibittium turriculum
- Ittibittum parcum
- Ittnera
- Ittnera C. C. Gmelin, 1808
- Ittnera C.C. Gmel.
- Ittnera C.C. Gmelin 1808
- Ittnera C.C.Gmel.
- Ittnera major
- Ittnera major (All.) C.C. Gmel.
- Ittnera major (All.) C.C.Gmel.
- Ittnera major C.C.Gmel.
- Ittnera minor
- Ittnera minor (All.) C.C. Gmel.
- Ittnera minor (All.) C.C.Gmel.
- Ittnera minor C.C.Gmel.
- Ittnera najas
- Ittnera najas C.C. Gmel.
- Ittnera najas C.C.Gmel.
- ittodai (Jordan & Fowler 1902)
- Ituglanis amazonicum
- Ituglanis amazonicum (Steindachner 1882)
- Ituglanis amazonicum (Steindachner, 1882)
- Ituglanis amazonicus
- Ituglanis amazonicus (Steindachner 1882)
- Ituglanis amazonicus (Steindachner, 1882)
- Ituglanis bambui
- Ituglanis bambui Bichuette & Trajano 2004
- Ituglanis bambui Bichuette & Trajano 2004 sec. Eschmeyer 2004
- Ituglanis bambui Bichuette & Trajano, 2004
- Ituglanis bambui Bichuette and Trajano, 2004
- Ituglanis Bockma 1993
- Ituglanis Bockmann 1993
- Ituglanis cahyensis
- Ituglanis cahyensis Saramento-Soares, Martins-Pinheiro, Aranda & Chamon 2006
- Ituglanis cahyensis Saramento-Soares, Martins-Pinheiro, Aranda & Chamon, 2006
- Ituglanis cahyensis Sarmento-Soares, Martins-Pinheiro, Aranda & Chamon 2006
- Ituglanis cahyensis Sarmento-Soares, Martins-Pinheiro, Aranda & Chamon, 2006
- Ituglanis Costa & Bockmann 1993
- Ituglanis Costa & Bockmann 1993 sec. Bichuette & Trajano 2004
- Ituglanis Costa & Bockmann 1993 sec. Datovo & Landim 2005
- Ituglanis Costa & Bockmann 1993 sec. de Pinna & Keith 2003
- Ituglanis Costa & Bockmann 1993 sec. Eschmeyer 1998
- Ituglanis Costa & Bockmann 1993 sec. Eschmeyer 2004
- Ituglanis Costa & Bockmann 1993 sec. Fernández & Bichuette 2002
- [[Ituglanis Costa & Bockmann 1993 sec. [Unspecified Author(s)] 2006]]
- Ituglanis Costa and Bockmann, 1993
- Ituglanis eichorniarum
- Ituglanis eichorniarum (Miranda Ribeiro 1912)
- Itwebeoceras lornae
- Itwebeoceras lornae Van Hoepen 1969
- Itwebeoceras van
- Itwebeoceras van Hoepen 1968
- Ityca Walker 1866
- Itychus
- Itychus griseus
- Itychus Kissinger 1962
- Itychus vosei
- Itycirrhitus
- Itycirrhitus Randall 2001
- Itycirrhitus Randall 2001 sec. Eschmeyer 2004
- Itycirrhitus Randall, 2001
- Itycirrhitus wilhelmi
- Itycirrhitus wilhelmi (Lavenberg & Yanez 1972)
- Itycirrhitus wilhelmi (Lavenberg & Yañez, 1972)
- Itycirrhitus wilhelmi (Lavenberg & Ya�ez 1972)
- Itycirrhitus wilhelmi (Lavenberg and Yañez, 1972)
- Itycorsia
- Itycorsia angulata MacGillivray 1912
- Itycorsia bal lista
- Itycorsia balanata
- Itycorsia balata
- Itycorsia balata MacG.
- Itycorsia ballista MacG.
- Itycorsia kincaidi
- Itycorsia kincaidi R.
- Itycorsia Konow 1897
- Itycorsia luteopicta
- Itycorsia luteopicta R.
- Itycorsia nivea
- Itycorsia nivea R.
- Itycorsia posticalis
- Itzaea sericea
- Itzaea sericea (Standl.) Standl. & Steyerm.
- Itzaea sericea (Standley) Standley & Steyerm.
- Itzaea sericea Standl.
- Itzaea sericea Standl. & Steyerm.
- Itzaea Standl. & Steyerm.
- Itzaea Standley & Steyermark 1944
- Itzaea Standley et Steyermark, 1944
- Itzalana
- Itzalana Distant 1905
- Itzalana formosa
- Itzalana formosa Distant 1905
- Itzalana formosa Distant, 1905
- Itzalana formosa Godman 1905
- Itzalana Godman 1905
- Itzalana rubescens
- Itzalana rubescens Lallemand 1956
- Itzalana submaculata
- Itzalana submaculata Schmidt
- Itzalana submaculata Schmidt 1905
- Itzalana submaculata Schmidt, 1905
- Itzamna
- Itzamna Pilsbry 1926
- Itzamna sigmoides
- Itzamna signoides
- Iuaca Galileo & Martins 2000
- Iuaca nigromaculata
- Iuaca nigromaculata Galileo & Martins 2000
- Iuaca nigromaculata Galileo & Martins, 2000
- Iuaca nigromaculata GALILEO M. H. M., MARTINS U. R., 2000
- Iubagraspirifer Gatinaud 1949
- Iubarenicala
- Iubarenicala fischeri Alessandrello, Bracchi & Solis-Weiss, 2003
- Iubarenicola
- Iubarenicola Alessandrello, Bracchi & Riou 2004
- Iubarenicola fischeri
- Iubarenicola fischeri Alessandrello, Bracchi & Riou 2004
- iubatus
- iubilus
- Iubsoda
- Iubsoda atrata
- Iubsoda atrata (Muir 1926)
- Iubsoda duffelsi
- Iubsoda duffelsi (Dlabola 1974)
- Iubsoda duffelsi (Dlabola, 1974)
- Iubsoda Nast 1975
- Iubsoda ornata
- Iubsoda ornata (Van Stalle 1984)
- Iubsoda stigmatica
- Iubsoda stigmatica (Melch 1897)
- Iubsoda stigmatica (Melichar 1897)
- Iubsoda stigmatica (Melichar, 1897)
- Iucetima acrocostata
- Iucetima acrocostata (Bechyne & Bechyne 1969)
- Iucetima costifera
- Iucetima costifera (Bechyne & Bechyne 1969)
- Iucetima minor
- Iucetima minor (Bechyne 1954)
- Iucetima Moura 1998
- Iucetima Moura 1999
- Iucundus
- Iucundus Kaletta 1978
- Iudaeoiulus Verhoeff 1923
- Iudaeoiulus Verhoeff, 1930
- Iudelina (?) multicamerata Mikluho-Maklai 1964
- iudithae Reitano & Buzzurro 2006
- Iuga Rchb.
- Iugidorsum
- Iugidorsum cumstriis
- Iugidorsum cumstriis cumstriis
- Iugidorsum cumstriis cumstriis Louw Schalk 1979
- Iugidorsum cumstriis Louw 1979
- Iugidorsum cumstriis Louw Schalk 1979
- Iugidorsum cumstriis magnum
- Iugidorsum cumstriis magnum Louw 1979
- Iugidorsum cumstriis magnum Louw Schalk 1979
- Iugidorsum cumstriis prominens
- Iugidorsum cumstriis prominens Louw 1979
- Iugidorsum cumstriis prominensis
- Iugidorsum cumstriis prominensis Louw Schalk 1979
- Iugidorsum Louw 1979
- Iugidorsum Louw Schalk 1979
- Iugidorsum sinestriis
- Iugidorsum sinestriis Louw 1979
- Iugidorsum sinestriis Louw Schalk 1979
- Iugisporis
- Iugisporis D. C. Bharadwaj et B. S. Venkatachala, 1962
- Iugisporis D.C. Bharadwaj & B.S. Venkatachala 1962
- iugoconvexa Pillai & Ten Hove 1994
- Iugomortiferum
- Iugomortiferum Cifelli 1990
- Iugomortiferum thoringtoni
- Iugomortiferum thoringtoni Cifelli 1990
- Iugopollis
- Iugopollis B. S. Venkatachala et M. S. Rawat in A. K. Ghosh et al., 1972
- Iuhina Reichenbach 1852
- Iuka Adans.
- Iuka Adanson 1763
- Iuka Adanson, 1763
- Iulactis insignis
- Iulactis insignis Meyrick 1904
- Iulactis Meyrick 1918
- Iulactis semifusca
- Iulactis semifusca Meyrick 1918
- iuleus Stock 1975
- Iulida
- Iulida (Leach 1814)
- Iulidae
- Iulidesmus
- Iulidesmus cavallii
- Iulidesmus cavallii Silvestri 1907
- Iulidesmus cavallii Silvestri, 1907
- Iulidesmus chilensis
- Iulidesmus chilensis Silvestri 1903
- Iulidesmus chilensis Silvestri, 1903
- Iulidesmus Silvestri 1895
- Iulidesmus Silvestri, 1895
- Iulidesmus typicus
- Iulidesmus typicus Silvestri 1895
- Iulidesmus typicus Silvestri, 1895
- Iuliformia
- Iulinae
- Iulis
- Iulis verticalis
- Iuliusina
- Iuliusina Fuchs 1971
- Iuliusina Fuchs, 1971
- Iulo-eido-coprolites
- Iumnos roylei
- Iumnos roylei Hope in Royle, 1839
- Iumnos ruckeri
- Iumnos ruckeri Saunders, 1839
- Iumnos Saunders 1839
- Iunco alticola
- Iunco cinereus
- Iunco hyemalis
- Iunco oregonus
- Iunctella
- Iunctella E. N. Kara-Mursa ex G. V. Djupina, 1974
- Iunctella E.N. Kara-Mursa ex G.V. Djupina 1974
- iunctus (Greuter 1917)
- iunctus Greuter 1917
- Iundzillia
- Iundzillia tubulina
- Iundzillia tubulina (Alb. & Schwein.) Racib. 1887
- Iundzillia tubulina (Alb. & Schwein.) Racib., 1887
- Iungentitanais
- Iungentitanais mortenseni
- Iungentitanais primitivus
- Iungentitanais primitivus Sieg 1977
- Iungentitanais primitivus Sieg, 1977
- Iungentitanais primitivus Sieg, 1977a
- Iungentitanais Sieg 1976
- Iungentitanais Sieg 1977
- Iungentitanais Sieg, 1976
- Iungia
- Iungia Boehm.
- Iungia Linnaeus f. 1782
- Iungipicus
- Iungipicus Salvin & Sclater 1880
- Iungkouchungensis
- Iungkouchungensis Tien 1938
- Iura hamatapophysis
- Iura hamatapophysis Peng et al., 1993
- Iura longiochelicera
- Iura longiochelicera Peng et al., 1993
- Iura trigonapophysis
- Iura trigonapophysis Peng et al., 1993
- Iura yueluensis
- Iura yueluensis Peng et al., 1993
- Iura yunnanensis
- Iura yunnanensis Peng et al., 1993
- Iurida
- Iurida Soleglad & Fet 2003
- Iuridae
- Iuridae Thorell 1876
- Iuridae Thorell, 1876
- Iurinae
- Iurinae Thorell 1876
- Iuroidea
- Iuroidea Thorell 1876
- Iurubanga
- Iurubanga arixi
- Iurubanga arixi Martins & Galileo 1996
- Iurubanga arixi Martins & Galileo, 1996
- Iurubanga arixi MARTINS U. R., GALILEO M. H. M., 1996
- Iurubanga Martins & Galileo 1996
- Iurus
- Iurus asiaticus
- Iurus asiaticus Birula 1903
- Iurus defoureius
- Iuteipenne Pic 1923
- Iuticosaurus
- Iuticosaurus lydekkeri
- Iuticosaurus valdensis
- Iutururuca
- Iutururuca Gnaspini 1993
- Iuventivellendoidea
- Iuventivellendoidea Dohrn 1881
- Iuventivellendoidea Fry 1978
- Iuxtathyris Havlicek & Vanek 1998
- Iuxtathyris vultur
- Iuxtathyris vultur (Barrande 1847)
- iuxtus Murakami 1943
- iuxtus Stock 1989
- Iva (Cyclachaena)
- Iva (Fresen.) A. Gray subgen. Cyclachaena
- Iva (Fresen.) O. Hoffm. sect. Cyclachaena
- Iva A. Gray sect. Chorisiva
- Iva acerosa
- Iva acerosa (Nutt.) R. C. Jacks.
- Iva acerosa (Nutt.) R. C. Jackson
- Iva acerosa (Nutt.) R.C. Jacks.
- Iva acerosa (Nutt.) R.C. Jackson
- Iva acerosa (Nutt.) R.C.Jacks.
- Iva ambrosiaefolia
- Iva ambrosiaefolia A.Gray
- Iva ambrosiaefolia subsp. lobata
- Iva ambrosiaefolia subsp. lobata (Rydb.) R.C.Jacks.
- Iva ambrosiifolia
- Iva ambrosiifolia (A. Gray) A. Gray
- Iva ambrosiifolia (A. Gray) A. Gray ssp. lobata (Rydb.) R.C. Jacks.
- Iva ambrosiifolia (A. Gray) A. Gray subsp. lobata (Rydb.) R.C. Jacks.
- Iva ambrosiifolia (A.Gray) A.Gray
- Iva ambrosiifolia (A.Gray) A.Gray subsp. lobata (Rydb.) R.C.Jacks.
- Iva ambrosiifolia (Gray) Gray
- Iva ambrosiifolia (Gray) Gray ssp. lobata (Rydb.) R.C. Jackson
- Iva ambrosiifolia A.Gray
- Iva ambrosiifolia ambrosiifolia
- Iva ambrosiifolia ambrosiifolia (Gray) Gray
- Iva ambrosiifolia lobata
- Iva ambrosiifolia lobata (Rydb.) R. C. Jacks.
- Iva ambrosiifolia subsp. lobata
- Iva ambrosiifolia subsp. lobata (Rydb.) R.C.Jacks.
- Ivdelephyllum multitabulatum
- Ivdelephyllum multitabulatum (Ermakova )
- Ivdelephyllum multitabulatum (Ermakova)
- Ivdelephyllum simplex
- Ivdelephyllum simplex (Vaganova )
- Ivdelephyllum simplex (Vaganova)
- Ivdelephyllum Spasskii 1971
- Ivdelephyllum Spassky 1971
- Ivdelicrinus
- Ivdelicrinus ivdelensis
- Ivdelicrinus ivdelensis Stukalina 1977
- Ivdelicrinus Stukalina 1977
- Ivdelina
- Ivdelina (?) multicamerata Miklukho-Maklai 1965
- Ivdelina Malakhova 1963
- Ivdelina Malakhova, 1963
- Ivdelinella
- Ivdelinella Brice 1982
- Ivdelinia
- Ivdelinia (Ivdelinella)
- Ivdelinia (Ivdelinella) Brice 1982
- Ivdelinia (Ivdelinella) ellesmerensis
- Ivdelinia (Ivdelinella) ellesmerensis Brice 1982
- Ivdelinia (Ivdelinella) salairica Gratsianova 1998
- Ivdelinia (Ivdelinia) proceruloides
- Ivdelinia (Ivdelinia) proceruloides Tjazheva & Garifullina 1980
- Ivdelinia acutolobata
- Ivdelinia acutolobata biplicatifera
- Ivdelinia acutolobata form. biplicatifera
- Ive balanoglossi
- Ive balanoglossi Mayer 1879
- Ive balanoglossi Mayer, 1879
- Ive group
- Ive Mayer 1879
- Iveae
- Iveae Rydb. tribe.
- Ivela
- Ivela auripes
- Ivela auripes (Butler)
- Ivela auripes (Butler, 1877)
- Ivela auripes Butler 1877
- Ivela auripes NPV ICTV
- Ivela eshanensis
- Ivela eshanensis Chao 1983
- Ivela ochropoda
- Ivela ochropoda (Eversmann)
- Ivela ochropoda Evers.
- Ivela ochropoda NPV ICTV
- Ivela Swinhoe
- Ivela Swinhoe 1903
- Ivella
- Ivella Lubbock 1853
- Ivella patagoniensis Lubbock, 1853
- ivelli Manuel 1975
- Ivellina
- Ivellina Claus 1893
- Ivellina securifer (Brady, 1883)
- Ivellopsis
- Ivia mimica
- Ivia mimica (Swain 1957)
- Ivia saffordi
- Ivia saffordi (Ulrich 1891)
- Ivia Schallreuter 1984
- ivicense P�r�s 1957
- Ividea
- Ividella
- Ividella australis
- Ividella Dall & Bartsch 1909
- Ividella Dall and Bartsch, 1909
- Ividella maoria
- Ividella maoria Powell 1940
- Ividella maoria Powell, 1940 E
- Ividella mariae
- Ividella navisa
- Ividella navisa (Dall & Bartsch 1907)
- Ividella navisa (Dall and Bartsch 1907)
- Ividella navisa (Dall and Bartsch, 1907)
- Ividia
- Ividia abbotti
- Ividia abbotti (Olsson & McGinty 1958)
- Ividia abbotti (Olsson and McGinty 1958)
- Ividia abbotti (Olsson and McGinty, 1958)
- Ividia Dall & Bartsch 1904
- Ividia Dall and Bartsch, 1904
- Ividia havanensis
- Ividia havanensis (Pilsbry & Aguayo 1933)
- Ividia havanensis (Pilsbry and Aguayo 1933)
- ivlevi Shmeleva 1966
- Ivobiantes Lawrence 1965
- Ivobiantes spinipalpis
- Ivobiantes spinipalpis Lawrence 1965
- Ivocoryphus
- Ivocoryphus jezequeli
- Ivocoryphus jezequeli Lawrence 1965
- Ivocoryphus Lawrence 1965
- Ivodea
- Ivodea alata
- Ivodea alata Capuron
- Ivodea Capuron
- Ivodea Capuron 1961
- Ivodea Capuron, 1961
- Ivodea choungiensis
- Ivodea choungiensis Labat, M. Pignal & O. Pascal
- Ivodea choungiensis Labat, M.Pignal & O.Pascal
- Ivodea confertifolia
- Ivodea confertifolia Capuron
- Ivodea cordata
- Ivodea cordata Capuron
- Ivodea cristata
- Ivodea cristata Capuron
- Ivodea mahanarica
- Ivodea mahanarica Capuron
- Ivodea mahanarica Capuron var. sessilifolia Capuron
- Ivodea mahanarica sessilifolia
- Ivodea mahanarica var. sessilifolia
- Ivodea menabeensis
- Ivodea menabeensis Capuron
- Ivritaenia mukteswarensis
- Ivritaenia mukteswarensis Singh 1962
- Ivritaenia Singh 1962
- Ivritaenia singhi
- Ivritaenia singhi Srivastava, Pandey & Tayal 1984
- Ivshinagnostus alatus
- Ivshinagnostus alatus Choi, Lee & Sheen 2004
- Ivshinagnostus ERGALIEV 1980
- Ivshinagnostus hunanensis
- Ivshinagnostus hunanensis Peng 1992
- Ivshinagnostus ivshini
- Ivshinagnostus ivshini Ergaliev 1980
- Ivshinagnostus quadratus
- Ivshinagnostus quadratus Choi, Lee & Sheen 2004
- Ivshinaspis
- Ivshinaspis crispa
- Ivshinaspis crispa Poletaeva, Astashky, Gintsinger & Vinkman 1970
- Ivshinaspis formosa
- Ivshinaspis formosa Duan, Yang & Shi 1999
- Ivshinaspis formosa Duan, Ye, Shi & Yang, J L 1999
- Ivshinaspis orispa
- Ivshinaspis orispa Petrunina 1984
- Ivshinaspis Petrunina
- Ivshinaspis PETRUNINA 1973
- Ivshinaspis quadrata
- Ivshinaspis quadrata Peng 1984
- Ivshinaspis reticulata
- Ivshinaspis reticulata Bao & Jago 2000
- Ivshinella
- Ivshinella Koneva 1979
- Ivshinella modesta
- Ivshinella modesta Koneva 1979
- Ivshiniellus
- Ivshiniellus briandailyi
- Ivy vein clearing virus Ivy vein clearing virus ICTV
- ivyleaf groundcherry
- Iwaispirifer striatolamellosus
- Iwaispirifer striatolamellosus Tachibana 1963
- Iwakawatrochus
- Iwakawatrochus Kuroda & Habe 1954
- Iwakawatrochus urbanus (Gould)
- Iwakawatrochus urbanus (GOULD,1861)
- Iwakawatrochus vittatus (Pilsbry, 1903)
- Iwakiella
- Iwakiella Hatai, Kotaka & Noda 1972
- Iwakiella ichiroi
- Iwakiella ichiroi Hatai, Kotaka & Noda 1972
- iwamotoi (Miller & Woods 1988)
- iwamotoi Miller & Woods 1988
- iwamushi Izuka 1907
- Iwanagara
- Iwanagara cross
- Iwanagara Horticultural cross
- Iwanoffia
- Iwanoffia Pascher 1905
- Iwanoffia Pascher, 1905
- Iwanoffia terrestris
- Iwanoffia terrestris (Iwanoff) Pascher
- Iwanophyllum
- Iwaoa
- Iwaoa Kuroda 1953
- Iwaoa sp n
- Iwaptyelus
- Iwaptyelus Matsumura 1942
- Iwaptyelus ogasawarai
- Iwestia provecta
- Iwestia provecta Rasnitsyn & Jarzembowski
- Iwestia provecta Rasnitsyn & Jarzembowski 1998
- Iwestia Rasnitsyn & Jarzembowski 1998
- Iwestia Rasnitsyn & Jarzembowski in Rasnitsyn, Jarzembowski & Ross 1998
- Iwilsoniella E. B. G. Jones, 1991
- Iwilsoniella E.B.G. Jones 1991
- Iwilsoniella rotunda
- Iwilsoniella rotunda E. B. G. Jones 1991
- Iwilsoniella rotunda E.B.G. Jones
- Iwilsoniella rotunda E.B.G. Jones 1991
- Iwilsoniella rotunda E.B.G. Jones, 1991
- Iwogumoa acco
- Iwogumoa acco (Nishikawa 1987)
- Iwogumoa acco (Nishikawa, 1987)
- Iwogumoa dicranata
- Iwogumoa dicranata (Wang et al. 1990)
- Iwogumoa dicranata (Wang et al., 1990)
- Iwogumoa ensifer
- Iwogumoa ensifer (Wang & Ono 1998)
- Iwogumoa ensifer (Wang & Ono, 1998)
- Iwogumoa illustrata
- Iwogumoa illustrata (Wang et al. 1990)
- Iwogumoa illustrata (Wang et al., 1990)
- Iwogumoa insidiosa
- Iwogumoa insidiosa (L. Koch 1878)
- Iwogumoa insidiosa (L. Koch, 1878)
- Iwogumoa interuna
- Iwogumoa interuna (Nishikawa 1977)
- Iwogumoa interuna (Nishikawa, 1977)
- Iwogumoa Kishida 1955
- Iwogumoa longa
- Iwogumoa longa (Wang, Tso & Wu 2001)
- Iwogumoa longa (Wang, Tso & Wu, 2001)
- Iwogumoa montivaga
- Iwogumoa montivaga (Wang & Ono 1998)
- Iwogumoa montivaga (Wang & Ono, 1998)
- Iwogumoa nagasakiensis
- Iwogumoa nagasakiensis Okumura 2007
- Iwogumoa pengi
- Iwogumoa pengi (Ovtchinnikov 1999)
- Ixa acuta
- Ixa acuta Tyndale-Biscoe & George 1962
- Ixa canaliculata
- Ixa canaliculata Leach 1817
- Ixa cyindrus
- Ixa cylindra
- Ixa cylindra (Fabricius 1777)
- Ixa cylindrica
- Ixa cylindricus
- Ixa cylindricus (Fabricius 1777)
- Ixa cylindricus (Fabricius, 1777)
- Ixa cylindrus
- Ixa cylindrus (Fabaricius)
- Ixa cylindrus (Fabricius )
- Ixa edwardsi
- Ixa edwardsii
- Ixa edwardsii (Lucas )
- Ixa edwardsii Lucas 1858
- Ixa holthuisi
- Ixa holthuisi Tirmizi 1970
- Ixa holthusia
- Ixa inermis
- Ixa inermis Leach 1817
- Ixa inermis Leach, 1817
- Ixa Leach 1815
- Ixa Leach 1817
- Ixa megaspis
- Ixa megaspis Adams & White 1848
- Ixa megaspis Adams & White 1849
- Ixchela abernathyi
- Ixchela abernathyi (Gertsch 1971)
- Ixchela abernathyi (Gertsch, 1971)
- Ixchela furcula
- Ixchela furcula (F. O. P.-Cambridge 1902)
- Ixchela furcula (F. O. P.-Cambridge, 1902)
- Ixchela furcula (Pickard Cambridge 1902)
- Ixchela furcula (Pickard-Cambridge 1902)
- Ixchela Huber 2000
- Ixchela pecki
- Ixchela pecki (Gertsch 1971)
- Ixchela pecki (Gertsch, 1971)
- Ixchela placida
- Ixchela placida (Gertsch 1971)
- Ixchela placida (Gertsch, 1971)
- Ixchela simoni
- Ixchela simoni (O. P.-Cambridge 1898)
- Ixchela simoni (O. P.-Cambridge, 1898)
- Ixchela simoni (Pickard Cambridge 1898)
- Ixchela simoni (Pickard-Cambridge 1898)
- Ixechinaceae Guzmán 1974
- Ixechinus
- Ixechinus major
- Ixechinus major R. Heim
- Ixechinus major R. Heim 1939
- Ixechinus major R. Heim ex E. Horak
- Ixechinus major R. Heim ex E. Horak 1968
- Ixechinus majus
- Ixechinus majus R. Heim
- Ixechinus majus R. Heim 1939
- Ixechinus majus R. Heim ex E. Horak 1968
- Ixechinus minor
- Ixechinus minor R. Heim
- Ixechinus minor R. Heim 1939
- Ixechinus minor R. Heim ex E. Horak
- Ixechinus minor R. Heim ex E. Horak 1968
- Ixechinus minus
- Ixechinus minus R. Heim 1939
- Ixechinus minus R. Heim ex E. Horak
- Ixechinus minus R. Heim ex E. Horak 1968
- Ixechinus R. Heim 1968
- Ixechinus R. Heim ex E. Horak, 1968
- Ixechinus viridis
- Ixechinus viridis (Heinem. & Gooss. -Font.) Wolfe 1982
- Ixechinus viridis (Heinem. & Gooss.-Font.) Wolfe
- Ixechinus viridis (Heinem. & Gooss.-Font.) Wolfe 1982
- Ixeidococcus
- Ixeidococcus graminis
- Ixeidococcus graminis Koteja 1974
- Ixia (Hyalis)
- Ixia abbreviata
- Ixia abbreviata Houtt.
- Ixia acaulis
- Ixia acaulis Goldblatt & J.C. Manning
- Ixia acaulis Goldblatt & J.C.Manning
- Ixia acuta
- Ixia acuta Bartr.
- Ixia acuta Bartr., non Roemer & J. A. Schultes
- Ixia acuta Bartr., non Roemer & J.A. Schultes
- Ixia acuta Licht. ex Roem. & Schult.
- Ixia acuta W.P.C. Barton
- Ixia africana
- Ixia africana Hornem.
- Ixia africana L.
- Ixia alba
- Ixia alba Eckl.
- Ixia alba L.
- Ixia alboflavens
- Ixia alboflavens Eckl.
- Ixia alopecuroides
- Ixia alopecuroides (L.) L.f.
- Ixia ambigua
- Ixia ambigua Salisb.
- Ixia americana
- Ixia americana Aubl.
- Ixia americana Sessé & Moc.
- Ixia amethystina
- Ixia amethystina J.C. Manning & Goldblatt
- Ixobatis Noubhani & Cappetta 1995
- Ixobiodes
- Ixobiodes brachispinosus
- Ixobiodes brachispinosus Lizaso 1983
- Ixobiodes butantanensis
- Ixobiodes butantanensis Fonseca 1934
- Ixobiodes Fonseca 1934
- Ixobiodes fonsecae
- Ixobiodes fonsecae (Fain 1961)
- Ixobioides
- Ixobioides Fonseca 1934
- Ixoboides butantanensis
- Ixoboides butantanensls
- ixobola (Grasshoff 1999)
- ixobola Grasshoff 1999
- Ixobrichus minutus
- Ixobrvchus exilic
- Ixobrychu
- Ixobrychu exilis
- Ixobrychu exilis hesperus
- Ixobrychu sinensis
- Ixobrychus
- Ixobrychus Billberg
- Ixobrychus Billberg 1828
- Ixobrychus Billberg, 1828
- Ixobrychus c. cinnamomeus
- Ixobrychus cinnamomcus
- Ixobrychus cinnamomeus
- Ixobrychus cinnamomeus (Gmelin) 1789
- Ixtahua benjamini
- Ixtahua benjamini Feldmann, Vega, Applegate & Bishop 1998
- Ixtahua Feldmann, Vega, Applegate & Bishop 1998
- Ixtlania
- Ixtlania acicularis
- Ixtlania acicularis M. E. Jones
- Ixtlania acicularis M.E. Jones
- Ixtlania acicularis M.E.Jones
- Ixtlania M. E. Jones
- Ixtlania M. E. Jones, 1929
- Ixtlania M.E. Jones 1929
- Ixtlania M.E.Jones
- Ixulus clarki
- Ixulus clarki Oates 1894
- Ixulus flavicollis
- Ixulus flavicollis albicollis
- Ixulus flavicollis albicollis Ticehurst & Whistler 1924
- Ixulus flavicollis baileyi
- Ixulus flavicollis baileyi Baker 1914
- Ixulus flavicollis baileyi S.-Baker
- Ixulus flavicollis harterti
- Ixulus flavicollis harterti Harington 1913
- Ixulus flavicollis rouxi
- Ixulus Hodgson 1844
- Ixulus humilis
- Ixulus rouxi
- Ixulus rouxi Oustalet 1896
- Ixulus rouxi Oustalet 1897
- Ixus
- Ixus analis
- Ixus analis Horsf.
- Ixus andersoni
- Ixus annectens
- Ixus annectens Wald.
- Ixus annectent
- Ixus annectent Walden 1875
- Ixus davisoni
- Ixus davisoni Hume 1875
- Ixus Dejean 1821
- Ixus Ehrenberg (1833)
- Ixus Ehrenberg 1833
- Ixylasia almon
- Ixylasia almon Hampson 1898
- Ixylasia Butler 1876
- Ixylasia ciarana
- Ixylasia kelleri
- Ixylasia kelleri Klages 1906
- Ixylasia pyroproctis
- Ixylasia pyroproctis Druce 1905
- Ixylasia schausi
- Ixylasia schausi Druce 1896
- Ixylasia semivitreata
- Ixylasia semivitreata Hampson 1905
- Ixylasia trogon
- Ixylasia trogon Draudt 1917
- Ixylasia trogon Seitz 1917
- Ixylasia trogonoides
- Ixylasia trogonoides Walker 1864
- Ixyophora
- Ixyophora aurantiaca
- Ixyophora aurantiaca (Senghas & G.Gerlach) Dressler
- Ixyophora aurantiaca (Senghas & Gerlach ) Dressler
- Ixyophora aurantiaca (Senghas & Gerlach) Dressler
- Ixyophora carinata
- Ixyophora carinata (P. Ortiz) Dressler
- Ixyophora carinata (P.Ortiz) Dressler
- Ixyophora Dressler
- Ixyophora viridisepala
- Ixyophora viridisepala (Senghas) Dressler
- Ixyoungia
- Iyaia Vologdin 1965
- Iyaiyai
- Iyaiyai Evenhuis 1994
- Iyaiyai gracilis
- Iyaiyai gracilis (Hong 1981)
- Iyalepis
- Iyalepis rohoni
- Iyalepis rohoni (Sytchevskaya & Yakovlev 1985)
- Iyalepis Sytchevskaya 2006
- Iyanthus
- Iyanthus laevis
- Iyanthus laevis Verrill 1864
- Iyanthus laevis Verrill, 1864
- Iyengaria Børgesen, 1939
- Iyengaria F. Børgesen 1939
- Iyengaria F. Børgesen, 1939
- Iyengaria stellata
- Iyengaria stellata (Børgesen) Børgesen
- Iyengaria stellata (Børgesen) Børgesen
- Iyengaria stellata (Børgesen) Børgesen 1939
- Iyengaria stellata (Børgesen) Børgesen, 1939
- Iyengaria stellata (B�rgesen) B�rgesen
- Iyengariella
- Iyengariella Desikachary 1953
- Iyengariella Desikachary, 1953
- Iyengariella endolithica
- Iyengariella endolithica J. -S. Seeler & S. Golubic
- Iyengariella endolithica J.-S. Seeler & S. Golubic
- Iyengariella tirupatiensis
- Iyengariella tirupatiensis Desikachary
- iyengarii B. Subramanian 1985
- iyengarii B�rgesen 1933
- iyengarii B�rgesen 1937
- iyengarii Desikachary & E.Ganesan 1967
- iyengarii E. Ganesan 1966
- iyengarii K. Srinivasan 1960
- iyengarii P. Anand 1965
- Iyengarina
- Iyengarina asymmetrica
- Iyengarina asymmetrica Kuthub. & Nawawi
- Iyengarina asymmetrica Kuthub. & Nawawi 1992
- Iyengarina C. V. Subramanian, 1958
- Iygris fubiolaria Bryk 1948
- Iygris ledereri
- Iygris ledereri Bryk 1948
- Iyngipictus hardwickii
- Iyngipicus
- Iyngipicus aurantiiventris
- Iyngipicus auritus
- Iyngipicus auritus Eyton
- Iyngipicus basilanicus
- Iyngipicus basilanicus Steere 1890
- Iyngipicus canicapillus
- Iyngipicus canicapillus suffusus
- Iyngipicus canicapillus suffusus Robinson & Kloss 1919
- Iyngipicus doerriesi
- Iyngipicus doerriesi Hargitt 1881
- Iyngipicus frater
- Iyngipicus frater Salvadori & Giglioli 1885
- Iyngipicus fulvifasciatus
- Iyngipicus grandis
- Iyngipicus grandis excelsior
- Iyngipicus grandis Hargitt 1882
- Iyngipicus hardwickii auct.
- Iyngipicus kisuki
- Iyngipicus kizuki nigrescens
- Iyngipicus leytensis
- Iyngipicus leytensis Steere 1890
- Iyngipicus nanus
- Iyngipicus nanus Vig.
- Iyngipicus nigrescens
- Iyngipicus o. heuglini
- Iyngipicus o. nigricans
- Iyngipicus obsoletus
- Iyoa imaidzumii
- Iyoa imaidzumii Kishida
- Iyoa Kishida
- iyoensis (Is. & Iw. Taki 1929)
- iyoensis (Matsumoto 1960)
- iyoensis (Okamura) R. Norris
- iyoensis Is. & Iw. Taki 1929
- iyoensis Yamada 1959
- iyolepis (Evermann & Marsh 1900)
- iyonis (Jordan & Thompson 1913)
- iyonis Jordan & Thompson 1913
- Iyonus
- Iyonus Suzuki 1964
- Iyonus yuyama
- Iyonus yuyama Suzuki 1964
- Iyouella
- Iyouella contracta
- Iyouella contracta Geyer & Palmer 1995
- Iyouella GEYER & PALMER 1995
- Iza botydana
- Iza botydana Walker 1865
- Iza configurata
- Iza configurata Gaede 1936
- Iza curvistriga
- Iza hedilalis
- Iza lilacina
- Iza mediovincta
- Iza multifasciata
- Iza nebulosa
- Iza nubecula
- Iza nubecula Guenée 1858
- Iza nubecula Guen�e 1858
- Iza quinquelineata
- Iza rosenbergi
- Iza rufidorsata
- Iza rufigrisea
- Iza sectilinca
- Iza spurcatula
- Iza subtransversalis
- Iza terminalis
- Iza terminalis Walker 1865
- Iza triangulifera
- Iza Walker 1865
- Izabalaea
- Izabalaea C. Lundell 1971
- Izabalaea C. Lundell, 1971
- Izabalaea excelsa
- Izabalaea excelsa Lundell
- Izea armata
- Izea armata Roewer 1935
- Izea pectinata
- Izea pectinata Roewer 1927
- Izea Roewer 1927
- Izecksohniella
- Izecksohniella aimore
- Izecksohniella aimore de Mello 1992
- Izecksohniella aimore de Mello 1993
- Izecksohniella aimore de Mello, 1993
- Izecksohniella de 1992
- Izecksohniella de Mello 1992
- Izecksohniella De Mello 1993
- Izecksohniella puri
- [[Izecksohniella puri Sperber, Carlos Frankl[in], Rocha, Lopes-Andrade &]]
- [[Izecksohniella puri Sperber, Carlos Frankl[in], Rocha, Lopes-Andrade & Alejo Mesa 2003]]
- Izecksohniella puri Sperber, Rocha, Lopes-Andrade & A. Mesa 2003
- Izecksohniella puri Sperber, Rocha, Lopes-Andrade & A. Mesa, 2003
- Izecksohniella puri Sperber, Rocha, Lopes-Andrade & Mesa 2003
- Izecksohniella puri Sperber, Rocha, Lopes-Andrade & Mesa, 2003
- Izecksohnopilio
- Izecksohnopilio eugenioi
- Izecksohnopilio eugenioi Soares 1977
- Izecksohnopilio Soares 1977
- Izeiina
- Izeiina Blagoderov & Grimaldi, 2004
- Izella
- Izella Fennah 1965
- Izeniola
- Izharocoris aceras
- Izharocoris aceras Afzal & Ahmad 1981
- Izharocoris Afzal & Ahmad 1981
- Izharocoris ceratohumeralis
- Izharocoris ceratohumeralis Afzal & Ahmad 1981
- Izharocoris excavatus
- Izharocoris excavatus Afzal & Ahmad 1981
- izhboldinae Timoshkin OA 2001
- Izhella
- Izhella Antropov 1955
- Izhella I. A. Antropov, 1955
- Izhella I.A. Antropov 1955
- Izhella nubiformis
- Izhoria
- Izhoria angulata
- Izhoria angulata Golub & Volkova in Volkova & Golub 1985
- Izhoria angulata Volkova & Golub 1985
- Izhoria I. N. Golub et N. A. Volkova in N. A. Volkova et I. N. Golub, 1985
- Izhoria Volkova & Golub 1985
- izhorica (Filipjev. I. 1929)
- izhorica Filipjev 1929
- Izias pyrene reducta Nomura 1931
- Izikoziphius
- Izikoziphius angustus
- Izikoziphius angustus Bianucci, Lambert & Post 2007
- Izikoziphius Bianucci, Lambert & Post 2007
- Izikoziphius rossi
- Izikoziphius rossi Bianucci, Lambert & Post 2007
- izimae Jordan & Thompson 1914
- Izinabis
- Izinabis kerzhneri
- Izinabis kerzhneri Shcherbakov 2008
- Izinabis Shcherbakov 2008
- Izinkala
- Izinkala fihla
- Izinkala fihla Griffiths 1977
- Izinkala fihla Griffiths, 1977
- Izinkala Griffiths 1977
- izintwala Van As J.G. & Van As L.L. 2001
- Iziphya
- Iziphya albipes
- Iziphya albipes Richards
- Iziphya americana
- Iziphya americana (Baker 1917)
- Iziphya austriaca
- Iziphya austriaca Born.
- Iziphya austriaca Borner 1950
- Iziphya austriaca Börner, 1950
- Iziphya austriaca Börner,1950
- Iziphya austriacca Borner
- Izjumus Novokshonov 2002
- Izjumus ukrainensis
- Izjumus ukrainensis Novokshonov 2002
- Izleiina Blagoderov & Grimaldi 2004
- Izleiina mirifica
- Izleiina mirifica Blagoderov & Grimaldi 2004
- Izleiina mirifica Blagoderov & Grimaldi, 2004
- Izleiina spinitibialis
- Izleiina spinitibialis Blagoderov & Grimaldi 2004
- Izleiina spinitibialis Blagoderov & Grimaldi, 2004
- Izonetes petechialis
- Izonetes petechialis Pascoe 1872
- Izonetes petechialis Pascoe, 1872
- Izora aluminicola
- Izora aluminicola Steyerm.
- Izotaenia
- Izotaenia Yasuda 1975
- Izozogia
- Izozogia G. Navarro
- Izozogia G.Navarro
- Izozogia nellii
- Izozogia nellii G. Navarro
- Izozogia nellii G.Navarro
- Izpania acona
- Izpania acona Klimaszewski 1962
- Izpania acona Klimaszewski, 1962
- Izpania Klimaszewski 1962
- Izpaniolus
- Izpaniolus Mazur 1972
- Izquierdia aggregata
- Izquierdia aggregata Ruiz & Pav.
- Izquierdia amygdalifolia
- Izquierdia amygdalifolia Rusby
- Izquierdia Ruiz & Pav.
- Izquierdia Ruiz & Pavon 1794
- Izquierdia Ruiz et Pavon, 1794
- Izuachipteria Balogh & Mahunka 1979
- izuana (Oka 1934)
- izuana Oka 1934
- izuanus Harada 1959
- Izucaris
- Izucaris crosnieri
- Izucaris crosnieri Li 2008
- Izucaris masudai
- Izucaris masudai Okuno 1999
- Izucaris Okuno 1999
- izuense Nunomura 2007A
- izuensis
- izuensis (Fricke & Zaiser Brownell 1993)
- izuensis (Hoshino 1982)
- izuensis (Kitou 1966)
- izuensis (Takahashi 1938)
- izuensis (Tanita 1941)
- izuensis Araga & Yoshino 1975
- izuensis Fricke & Zaiser Brownell 1993
- izuensis Hoshino 1982
- izuensis Komai & Takeda 2004
- izuensis Murano 1966
- izuensis Nishi, Bhaud & Koh 2004
- izuensis Nishida & Nakaya 1988
- izuensis Shiino 1949B
- izuensis Takahashi 1938
- izuensis Tanita & Hoshino 1989
- izuensis Tanita 1941
- izuharaensis Nunomura 1991
- Izyacapsus Henry 2006
- Izyacapsus kerzhneri
- Izyacapsus kerzhneri Henry 2006
- Izyacapsus rubrocuneatus
- Izyacapsus rubrocuneatus Henry 2006
- Izyaius
- Izyaius Schwartz 2006
- Izyaius sericeus
- Izyaius sericeus (Heidemann 1892)
- Izyphia bufo
- Izzardana Lallemand 1957
- Izzardana multicolor
- Izzardana multicolor Lallemand 1957
- Izzardiana
- Izzardiana Capener 1952
- izziae J.M. Huisman 2002
- Izziella
- Izziella abbottae
- Izziella abbottiae
- Izziella abbottiae Doty
- Izziella abbottiae Doty 1978
- Izziella Doty 1978
- Izziella M. S. Doty, 1978
- Izziella M.S. Doty 1978
- Izziella orientalis
- Izziella orientalis (J. Agardh) Huisman & Schils
- Izziella orientalis (J. Agardh) Huisman & Schils, 2002