2017 in arthropod paleontology

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This list of fossil arthropods described in 2017 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every kind that are scheduled to be described during the year 2017, as well as other significant discoveries and events related to arthropod paleontology that are scheduled to occur in the year 2017.

Arachnids

Research

A study on the anatomy of the Carboniferous whip spider Graeophonus anglicus, as well as on the phylogenetic relationships of fossil whip spiders, is published by Garwood et al. (2017).^[1]
A study on the morphological diversity of fossil species belonging to the family Archaeidae compared with the diversity of extant species is published by Wood (2017).^[2]
A specimen of the tick species Cornupalpatum burmanicum entangled in a pennaceous feather of an early bird or non-avian pennaraptoran theropod is described from the Cretaceous amber from Myanmar by Peñalver et al. (2017).^[3]^[4]

New taxa

Name	Novelty	Status	Authors	Age	Unit	Location	Notes
Aculeatosoma^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Psilodercidae. The type species is A. pyritmutatio.
Albiburmops^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Lagonomegopidae. The type species is A. annulipes.
Alioatrax^[5]^[6]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider of uncertain affinities,^[7] originally described as a member of the family Hexathelidae. The type species is A. incertus.
Amblyomma birmitum^[8]	Sp. nov	Valid	Chitimia-Dobler et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A hard tick, a species of Amblyomma.
Balticonopsis distalis^[9]	Sp. nov	Valid	Wunderlich	Eocene	Baltic amber	Europe (Baltic Sea coast)	A member of the family Anapidae.
Balticonopsis dunlopi^[9]	Sp. nov	Valid	Wunderlich	Eocene	Baltic amber	Europe (Baltic Sea coast)	A member of the family Anapidae.
Balticonopsis ludwigi^[9]	Sp. nov	Valid	Wunderlich	Eocene	Bitterfeld amber	Germany	A member of the family Anapidae.
Balticonopsis metatarsalis^[9]	Sp. nov	Valid	Wunderlich	Eocene	Baltic amber	Europe (Baltic Sea coast)	A member of the family Anapidae.
Betaburmesebuthus joergi^[10]	Sp. nov	Valid	Lourenço & Rossi	Cretaceous	Burmese amber	Myanmar	A scorpion belonging to the superfamily Buthoidea and the family Palaeoburmesebuthidae.
Brignoliblemma^[5]	Gen. et 3 sp. nov	Junior synonym	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae. Genus includes new species B. bizarre, B. nala and B. paranala. Wunderlich & Müller (2020) considered the genus Brignoliblemma to be a junior synonym of the genus Electroblemma, though the authors maintained the three named species as distinct species within the latter genus.^[11]
Burmadictyna postcopula^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A deinopoid spider belonging to the family Salticoididae.^[12]
Burmathele^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of Mesothelae belonging to the family Burmathelidae. The type species is B. biseriata.
Burmesarchaea alissa^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea caudata^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea crassicaput^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea crassichelae^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea gibber^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea gibberoides^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea gibbosa^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea longicollum^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea propinqua^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea pseudogibber^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea pustulata^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmesarchaea quadrata^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Archaeidae.
Burmorchestina acuminata^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Oonopidae.
Burmorchestina biangulata^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Oonopidae.
Burmorchestina plana^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Oonopidae.
Burmorchestina pulcheroides^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Oonopidae.
Burmorchestina tuberosa^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Oonopidae.
Centruroides knodeli^[13]	Sp. nov	Valid	Lourenço		Mexican amber	Mexico	A scorpion belonging to the family Buthidae, a species of Centruroides.
Cethegoides^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Dipluridae. The type species is C. patricki.
Cymbioblemma^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae. The type species is C. corniger.
Cymbioropsis^[9]	Gen. et sp. nov	Valid	Wunderlich	Eocene	Baltic amber	Europe (Baltic Sea coast)	A member of the family Zoropsidae. The type species is C. palpussutura.
Deinocroton^[3]	Gen. et sp. nov	Valid	Peñalver, Arillo, Anderson & Pérez-de la Fuente in Peñalver et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A tick. The type species is D. draculi.
Deinopedes^[5]^[6]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider. Originally assigned to the family Deinopidae, but subsequently transferred to the deinopoid family Eodeinopidae.^[12] Genus includes new species D. tranquillus.
Eodeinopis^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A deinopoid spider. Originally assigned to the family Burmadictynidae, but subsequently transferred to the family Eodeinopidae.^[12] The type species is E. longipes.
Eoeuscorpius^[14]	Gen. et sp. nov	Valid	Kühl & Lourenço	Eocene	Monte Bolca	Italy	A scorpion, possibly a member of the family Euscorpiidae. Genus includes new species E. ceratoi.
Eogamasomorpha hamata^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae.
?Eogamasomorpha unicornis^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae. Originally described as a possible species of Eogamasomorpha; Wunderlich & Müller (2020) transferred it to the genus Unicornutiblemma.^[11]
Eomysmauchenius dubius^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A planarchaeid palpimanoid spider.^[12]
Eoprychia clara^[9]	Sp. nov	Valid	Wunderlich	Eocene	Baltic amber	Europe (Baltic Sea coast)	A member of the family Zoropsidae.
Furcembolus crassitibia^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae.
Furcembolus grossa^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae.
Furcembolus longior^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae.
Furculoborus^[5]	Gen. et sp. nov	Junior synonym	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Uloboridae. The type species is F. patellaris. Wunderlich & Müller (2021) subsequently considered Furculoborus to be a junior synonym of the genus Paramiagrammopes, and transferred F. patellaris to the latter genus.^[12]
?Gorgopsina scharffi^[15]	Sp. nov	Valid	Wunderlich	Neogene		Ethiopia	A jumping spider.
Hirsutisoma^[16]	Fam. Gen. et 3 sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A Ricinulei in the family Hirsutisomidae. Genus includes new species H. acutiformis, H. bruckschi and H. dentata.
Kachin^[5]	Gen. et 2 sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Uloboridae. Genus includes new species K. fruticosus and K. fruticosoides.
Lineaburmops maculatus^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Lagonomegopidae.
Longissipalpus cochlea^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A relative of Mongolarachne.
Longissithorax^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae. The type species is L. myanmarensis.
Longithorax^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae. The type species is L. furca.
Loxoderces^[5]	Gen. 3 sp. nov	Junior synonym	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	Originally described as a spider belonging to the family Eopsilodercidae. Genus includes new species L. curvatus, L. longicymbium and L. rectus. Wunderlich & Müller (2020) considered the genus Loxoderces to be a junior synonym of the genus Burmorsolus, though the authors maintained the three named species as distinct species within the latter genus.^[11]
Maevia eureka^[17]	Sp. nov	Valid	Riquelme & Menéndez-Acuña	Miocene	Mexican amber	Mexico	A jumping spider. Originally described as a species of Maevia, but subsequently transferred to the genus Paramaevia.^[18]
Megeremaeus cretaceous^[19]	Sp. nov	Valid	Sidorchuk & Behan-Pelletier	Late Cretaceous (Campanian)	Canadian amber	Canada	A mite belonging to the group Oribatida and the family Megeremaeidae.
Mesothelyphonus^[20]	Gen. et sp. nov	Valid	Cai & Huang	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A whip scorpion belonging to the family Thelyphonidae and the subfamily Thelyphoninae. The type species is M. parvus.
Monooculricinuleus^[16]	Gen. et 2 sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of Ricinulei^[16] or Opiliones.^[6] Genus includes new species M. incisus and M. semiglobosus.
Palaeoburmesebuthus longipalpis^[10]	Sp. nov	Valid	Lourenço & Rossi	Cretaceous	Burmese amber	Myanmar	A scorpion belonging to the superfamily Buthoidea and the family Palaeoburmesebuthidae.
Palaeoleptoneta crus^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Leptonetidae.
Palpalpaculla^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Tetrablemmidae. The type species is P. pulcher.
Parvithele^[5]	Gen. et 2 sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of Mesothelae belonging to the family Parvithelidae. Genus includes new species P. muelleri and P. spinipes.
?Paxillomegops cornutus^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Lagonomegopidae.
Pekkachilus^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the group Araneomorphae and the family Vetiatoridae. The type species is P. vesica.
Permomatveevia^[21]	Gen. et sp. nov	Valid	Dammann	Permian (Kungurian)		Russia	A scorpion. The type species is P. perneri.
Pholcochyrocer altipecten^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Pholcochyroceridae.
Planarchaea oblonga^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A planarchaeid palpimanoid spider.^[12]
Planarchaea ovata^[5]	Sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A planarchaeid palpimanoid spider.^[12] Originally described as a species of Planarchaea, but subsequently transferred to the genus Eomysmauchenius.^[12]
Planimegops^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Lagonomegopidae. The type species is P. parvus.
Praearaneus^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Praearaneidae. The type species is P. bruckschi.
Praepholcus^[5]	Gen. sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A spider belonging to the family Eopsilodercidae. The type species is P. huberi.
Priscaleclercera^[5]	Gen. et comb. et 2 sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Psilodercidae. Genus includes "Leclercera" longissipes Wunderlich (2012), "Leclercera" spicula Wunderlich (2012), "Leclercera" ellenbergeri Wunderlich (2015) and "Leclercera" sexaculeata Wunderlich (2015), as well as new species P. brevispinae and P. paucispinae.
Propterkachin^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of the family Uloboridae. The type species is P. magnoculus.
Pseudoeoprychia^[9]	Gen. et sp. nov	Valid	Wunderlich	Eocene	Baltic amber	Europe (Baltic Sea coast)	A member of the family Zoropsidae. The type species is P. triplex.
Pseudorsolus^[5]	Gen. et comb. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of Dysderoidea belonging to the family Plumorsolidae; a new genus for "Burmorsolus" crassus Wunderlich (2015). Wunderlich & Müller (2020) considered the genus Pseudorsolus to be a junior synonym of the genus Burmorsolus, and transferred its sole species back to the genus Burmorsolus.^[11]
Pulvillothele^[5]	Gen. et sp. nov	Valid	Wunderlich	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A member of Mesothelae belonging to the family Parvithelidae. The type species is P. haupti.
Spatiator bitterfeldensis^[9]	Sp. nov	Valid	Wunderlich	Eocene	Bitterfeld amber	Germany	A member of Araneomorphae belonging to the family Spatiatoridae.
Spinoburmesebuthus^[22]	Gen. et sp. nov	Disputed	Lourenço & Velten	Cretaceous	Burmese amber	Myanmar	A scorpion belonging to the superfamily Buthoidea and the family Palaeoburmesebuthidae. Genus includes new species S. pohli. Xuan, Cai & Huang (2023) considered Spinoburmesebuthus to be a junior synonym of the genus Betaburmesebuthus.^[23]

Crustaceans

Research

A study on the identification of sexual morphs and the reproductive system of the Early Cretaceous clam shrimp Eosestheria middendorfii is published by Hethke et al. (2017).^[24]
A study on the Cretaceous clam shrimp Xibeiestheria pora, identifying new taxonomic features, is published by Li (2017).^[25]
Fossil specimen which might be a barnacle nauplius is described from the Upper Jurassic Solnhofen Limestone (Germany) by Nagler et al. (2017).^[26]
Three specimens of zoea-type malacostracan larvae, showing similarities to the larvae of the lobster Nephrops norvegicus, are described from the Late Jurassic Solnhofen limestone (Germany) by Haug & Haug (2017).^[27]
A study on the anatomy of two specimens of Urda rostrata from the Middle Jurassic (Bathonian) of Germany is published by Nagler, Hyžný & Haug (2017), who interpret this species as the oldest fossil parasitic isopod known to date.^[28]
Isolated, small fossils from North America, Europe, Africa and Asia, the oldest of which were recovered from the Oligocene (Chattian) Chickasawhay Limestone (Alabama, United States), are interpreted as remains of alpheid shrimps by Hyžný et al. (2017).^[29]
A redescription of the shrimps Aeger brevirostris and Archeosolenocera straeleni from the Middle Jurassic La Voulte-sur-Rhône Lagerstätte (France) is published by Jauvion, Charbonnier & Bernard (2017), who consider the species Antrimpos secretaniae to be a junior synonym of Archeosolenocera straeleni.^[30]
New fossils of members of the crab genus Cenomanocarcinus, as well as the southernmost record of the species Necrocarcinus woodwardii, are reported from the Cretaceous of Spain by Ossó (2017).^[31]
Claw fragments of the trichodactylid crabs are described from the Eocene and Oligocene Pozo Formation, Oligocene Chambira Formation (Peru) and Miocene Solimões Formation (Brazil) by Klaus et al. (2017), representing the oldest records of the family reported so far.^[32]
A revision of the genus Eryma is published by Devillez & Charbonnier (2017), who consider the genera Protoclytiopsis Birshtein (1958) and Galicia Garassino & Krobicki (2002) to be junior synonyms of the genus Eryma.^[33]

New taxa

Malacostracans

Name	Novelty	Status	Authors	Age	Unit	Location	Notes
Alcespina^[34]	Gen. et sp. et comb. nov	Valid	Pasini & Garassino	Early Eocene – early Oligocene	Bateque Formation	Italy Mexico France?	A crab belonging to the family Raninidae and the subfamily Ranininae. The type species is A. ovadaensis; genus also includes "Ranina" berglundi Squires & Demetrion (1992).
Annuntidiogenes massetispinosus^[35]	Sp. nov		Fraaije, Van Bakel & Jagt	Late Cretaceous (Maastrichtian)	Maastricht Formation	Netherlands	A hermit crab.
Aquitanoscia^[36]	Gen. et 2 sp. nov	Valid^[37]	Broly et al.	Miocene	Mexican amber	Mexico	A woodlouse. Genus includes new species A. chiapasensis and A. maternus.
Arabicarcinus^[38]	Gen. et sp. nov	Valid	Schweitzer & Feldmann	Late Cretaceous	Aruma Formation	Saudi Arabia	A crab belonging to the superfamily Carpilioidea. The type species is A. arumensis.
Armacrangon^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Glyphocrangonidae. Genus includes new species A. edwardsi.
Asthenognathus alleronensis^[40]	Sp. nov	Valid	Pasini, Garassino & De Angeli	Early Pleistocene		Italy	A member of Varunidae.
Aviamysis^[41]	Gen. et sp. nov	Valid	San Vicente & Cartanyà	Middle Triassic (Ladinian)		Spain	A member of the family Mysidae. The type species is A. pinetellensis.
Axius hofstedtae^[42]	Sp. nov		Hyžný, Jakobsen & Fraaije	Late Oligocene		Denmark	A species of Axius.
?Bentheogennema phoenicia^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon
Bournelyreidus ericksoni^[43]	Sp. nov	Valid	Kornecki, Feldmann & Schweitzer	Late Cretaceous (Maastrichtian)	Coon Creek Formation	United States	A lyreidid raninoid crab.
Calappa damarcoi^[44]	Sp. nov	Valid	Pasini & Garassino	Early Oligocene		Italy	A species of Calappa.
Calliaxina hadjoulaensis^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous (Cenomanian)		Lebanon	A member of the family Callianassidae.
Calocarides arzignanensis^[45]	Sp. nov	Valid	De Angeli & Caporiondo	Eocene		Italy	A member of Axiidea.
Carinacaris antennae^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon
Carinatus^[46]	Gen. et sp. nov	Valid	Nyborg et al.	Late Cretaceous (Maastrichtian)	Owl Creek Formation Prairie Bluff Formation	United States	A raninoid crab, probably a member of the family Raninidae and the subfamily Symethinae. Genus includes new species C. galebishopi.
Cascolus^[47]	Gen. et sp. nov	Valid	Siveter et al.	Silurian (Wenlock)	Herefordshire Konservat-Lagerstätte	United Kingdom	A member of Leptostraca. The type species is C. ravitis.
Cenomanocarcinus enodis^[48]	Sp. nov	Valid	Schweitzer et al.	Late Cretaceous (Turonian)	Tres Hermanos Formation	United States
Cirolana forticrura^[49]	Sp. nov	Valid	Baldanza et al.	Early Pleistocene		Italy	An isopod, a species of Cirolana.
Claudioranina latacantha^[50]	Sp. nov	Valid	Martínez-Díaz et al.	Paleocene (Selandian)	Rancho Nuevo Formation	Mexico	A raninid crab.
Cretalamoha^[51]	Gen. et sp. nov	Valid	Nyborg & Garassino	Late Cretaceous (Campanian)	Pender Formation	Canada	A member of Homolidae. The type species is C. boweni. Announced in 2017; validated in 2023.^[52]
Cretaxiopsis^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous (Cenomanian)		Lebanon	A member of the family Axiidae. Genus includes new species C. libanotica.
Daenerytanais^[53]	Gen. et sp. nov	Valid	Sánchez-García et al.	Late Cretaceous (Cenomanian)		France	A member of Tanaidacea belonging to the family Alavatanaidae. The type species is D. maieuticus.
Delyrius^[48]	Gen. et sp. nov	Valid	Schweitzer et al.	Late Cretaceous (Turonian)	Tres Hermanos Formation	United States	A crab belonging to the family Lyreididae. Genus includes new species D. carthagensis.
Diogenicheles horstkuscheli^[54]	Sp. nov	Valid	Fraaije, Schweigert & van Bakel	Late Jurassic (Kimmeridgian)		Germany	A hermit crab.
Distolambrus rasnus^[49]	Sp. nov	Valid	Baldanza et al.	Early Pleistocene		Italy	A crab belonging to the family Parthenopidae.
Dromilites belli^[55]	Sp. nov	Valid	Van Bakel et al.	Eocene (Ypresian)	London Clay	United Kingdom	A crab belonging to the family Dromiidae.
Dusa reschi^[56]	Sp. nov	Valid	Winkler	Late Jurassic (Tithonian)	Solnhofen limestone	Germany	A member of Penaeidae.
Echinocaris bisulcata^[57]	Sp. nov	Valid	Broda, Collette & Budil	Late Devonian		Poland	A member of Phyllocarida.
Eoacantholobulus^[58]	Gen. et sp. nov	Junior synonym	Ossó & Domínguez	Eocene (Priabonian)		Spain	A crab belonging to the family Panopeidae. Genus includes new species E. oscensis. Ossó et al. (2020) subsequently transferred E. oscensis to the genus Sculptoplax.^[59]
Eohepatella^[60]	Gen. et sp. nov	Valid	Beschin & De Angeli	Eocene (Lutetian)		Italy	A crab belonging to the family Aethridae. The type species is E. plana.
Eomaldivia lessinea^[61]	Sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A crab belonging to the family Trapeziidae.
Eonomus^[62]	Gen. et sp. nov	Valid	Nyborg, Garassino & Slak	Eocene	Llajas Formation	United States	A crab belonging to the family Cymonomidae. Genus includes new species E. californianus.
Eopaguropsis blausteinensis^[54]	Sp. nov	Valid	Fraaije, Schweigert & van Bakel	Late Jurassic (Kimmeridgian)		Germany	A hermit crab.
Epipenaeus^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Carpopenaeidae. Genus includes new species E. abisaadorum.
Eryma oscari^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon
Eurynome italica^[49]	Sp. nov	Valid	Baldanza et al.	Early Pleistocene		Italy	A spider crab.
Galathea caporiondoi^[61]	Sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A species of Galathea.
Gladicrangon^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Glyphocrangonidae. Genus includes new species G. coriacea.
Ibacus? mazariorum^[63]	Sp. nov	Valid	Audo	Eocene (Ypresian)	Ghazij Formation	Pakistan	A slipper lobster belonging to the subfamily Ibacinae, possibly a species of Ibacus.
Joinvilleicaris^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Penaeidae. Genus includes new species J. longirostris.
Juglocarcinus^[64]	Gen. et sp. nov	Valid	Garvie, Collins & Mellish	Early Cretaceous (Albian)	Upper Walnut Clay Formation	United States	A crab belonging to the group Raninoida and the superfamily Palaeocorystoidea. The type species is J. tumulus.
Lessinipagurus ornatus^[65]	Sp. nov	Valid	De Angeli & Caporiondo	Eocene (Lutetian)		Italy	A hermit crab belonging to the family Xylopaguridae.
Lessinipagurus planus^[65]	Sp. nov	Valid	De Angeli & Caporiondo	Eocene (Lutetian)		Italy	A hermit crab belonging to the family Xylopaguridae.
Leucosiraja^[49]	Gen. et sp. nov	Valid	Baldanza et al.	Early Pleistocene		Italy	A crab belonging to the family Leucosiidae. Genus includes new species L. manta.
Libanoaxius^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Axiidae. Genus includes new species L. beatae.
Libanocaris curvirostra^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon
Linuparus keyesi^[43]	Sp. nov	Valid	Kornecki, Feldmann & Schweitzer	Late Cretaceous (Maastrichtian)	Coon Creek Formation	United States	A spiny lobster, a species of Linuparus.
Linuparus secretanae^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous (Cenomanian)		Lebanon	A species of Linuparus.
Llajassus^[66]	Gen. et comb. nov	Valid	Nyborg & Garassino	Eocene	Llajas Formation Lookingglass Formation	United States	A slipper lobster; a new genus for "Parribacus" caesius Squires (2001).
Longipaguristes^[65]	Gen. et sp. et comb. nov	Valid	De Angeli & Caporiondo	Eocene		Italy	A hermit crab belonging to the family Diogenidae. The type species is L. manuelae; genus also includes "Paguristes" extentus Beschin et al. (2007).
Longodromites akainokkos^[67]	Sp. nov	Valid	Schweitzer et al.	Late Jurassic		Romania	A crab belonging to the family Longodromitidae.
Macropenaeus sidiaichensis^[68]	Sp. nov	Valid	Boukhalfa et al.	Early Cretaceous (Barremian)	Sidi Aïch Formation	Tunisia
Magila cretacica^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Axiidae.
Mecochirus bartholomaii^[69]	Sp. nov	Valid	Jell, Woods & Cook	Early Cretaceous (late Aptian)		Australia	Charbonnier et al. (2021) transferred this species to the genus Meyeria.^[70]
Mecochirus lanceolatus^[69]	Sp. nov	Valid	Jell, Woods & Cook	Early Cretaceous (late Aptian)		Australia
Mecochirus mcclymontorum^[69]	Sp. nov	Valid	Jell, Woods & Cook	Early Cretaceous (late Aptian)		Australia
Merocryptus viperinus^[49]	Sp. nov	Valid	Baldanza et al.	Early Pleistocene		Italy	A crab belonging to the family Leucosiidae.
Mizunotengus^[71]	Gen. et sp. nov	Valid	Karasawa & Ando in Karasawa et al.	Early Miocene	Yamami Formation	Japan	A member of Galatheoidea belonging to the family Munidopsidae. The type species is M. makiguchimai.
Montecaris marynowskii^[57]	Sp. nov	Valid	Broda, Collette & Budil	Late Devonian		Poland	A member of Phyllocarida.
Montemagrelisthes^[61]	Gen. et sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A porcelain crab. The type species is M. prealpinus.
Notahomarus^[39]	Gen. et comb. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A lobster. Genus includes "Pseudastacus" hakelensis Fraas (1878).
Odontochelion bicarinatum^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Crangonidae.
Ommatocarcinus occidentalis^[49]	Sp. nov	Valid	Baldanza et al.	Early Pleistocene		Italy	A crab belonging to the family Goneplacidae.
Orbispagurus^[65]	Gen. et sp. nov	Valid	De Angeli & Caporiondo	Eocene (Lutetian)		Italy	A hermit crab belonging to the family Xylopaguridae. The type species is O. tessellatus.
Palaega johannschoberti^[72]	Sp. nov	Valid	Keupp & Mahlow	Early Jurassic (Pliensbachian)		Germany	An isopod belonging to the family Cirolanidae.
Palaeobenthonectes^[39]	Gen. et comb. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Benthesicymidae. Genus includes "Penaeus" arambourgi Roger (1946).
Palaeopandalus^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Pandalidae. Genus includes new species P. komaii.
Paguristes cecconi^[65]	Sp. nov	Valid	De Angeli & Caporiondo	Eocene (Lutetian)		Italy	A hermit crab belonging to the family Diogenidae, a species of Paguristes.
Paguristes clampensis^[65]	Sp. nov	Valid	De Angeli & Caporiondo	Eocene (Lutetian)		Italy	A hermit crab belonging to the family Diogenidae, a species of Paguristes.
Pagurus mainensis^[65]	Sp. nov	Valid	De Angeli & Caporiondo	Eocene (Lutetian)		Italy	A hermit crab belonging to the family Paguridae, a species of Pagurus.
Palaeognathophausia^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Gnathophausiidae. Genus includes new species P. libanotica.
Palaeopalinurus czarnieckii^[73]	Sp. nov		Krobicki & Fraaije	Late Jurassic (Tithonian)		Poland	A spiny lobster.
Palinurus teruzzii^[39]	Sp. nov	Valid	Charbonnier et al.	Late Cretaceous (Cenomanian)		Lebanon	A species of Palinurus.
Paralithodes bishuensis^[71]	Sp. nov	Valid	Karasawa & Ando in Karasawa et al.	Early Miocene	Yamami Formation	Japan	A king crab, a species of Paralithodes.
Paromola roseburgensis^[51]	Sp. nov	Valid	Nyborg & Garassino	Early Eocene	Roseburg Formation	United States	A member of Homolidae. Announced in 2017; validated in 2023.^[74]
Phalangiopsis^[39]	Gen. et 2 sp. nov	Valid	Charbonnier et al.	Late Cretaceous		Lebanon	A member of the family Chirostylidae. Genus includes new species P. antoinei and P. rogeri.
Planoprosopon conspicuus^[67]	Sp. nov	Valid	Schweitzer et al.	Late Jurassic		Romania	A crab belonging to the family Longodromitidae.
Porcellana thomasi^[61]	Sp. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A porcelain crab, a species of Porcellana.
Proticalia^[61]	Nom. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A crab belonging to the family Domeciidae; a replacement name for Tropicalia Beschin et al. (2016).
Protonecrocarcinus tuberosus^[48]	Sp. nov	Valid	Schweitzer et al.	Late Cretaceous (Turonian)	Tres Hermanos Formation	United States
Proxilianira^[75]	Gen. et sp. et comb. nov	Valid	De Angeli & Ceccon	Eocene (Priabonian)		Italy	A crab belonging to the family Raninidae and the subfamily Notopodinae. The type species is P. albertii.
Psammionassa^[48]	Gen. et sp. nov	Valid	Schweitzer et al.	Late Cretaceous (Turonian)	Tres Hermanos Formation	United States	A member of the family Callianassidae. Genus includes new species P. paromola.
Pseudodrobna^[56]	Gen. et sp. nov	Valid	Winkler	Late Jurassic (Tithonian)	Solnhofen limestone	Germany	A member of Penaeidae. The type species is P. kenngotti.
Pseudoranina^[39]	Gen. et sp. nov	Valid	Charbonnier et al.	Late Cretaceous (Santonian)		Lebanon	A crab, possibly a member of the family Raninidae. Genus includes new species P. guinotae.
Ramacarcinus^[61]	Nom. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A crab belonging to the family Cancridae; a replacement name for Rama Beschin et al. (2016).
Rogeryon^[76]	Gen. et comb. nov	Valid	Audo et al.	Late Jurassic (Tithonian)	Solnhofen Limestone	Germany	A member of Eryonoidea of uncertain phylogenetic placement; a new genus for "Eryon" oppeli Woodward (1866).
Scyllarella manleyi^[77]	Sp. nov	Valid	Feldmann & Schweitzer	Eocene (Ypresian–Lutetian)	Lookingglass Formation	United States	A slipper lobster.
Sodakus grethi^[48]	Sp. nov	Valid	Schweitzer et al.	Late Cretaceous (Turonian)	Tres Hermanos Formation	United States
Tauricheles^[78]	Gen. et comb. nov	Valid	Audo, Charbonnier & Krobicki	Jurassic (Toarcian–Aalenian)		Crimean Peninsula	A member of the family Polychelidae; a new genus for "Palaeopolycheles" crymensis Levitski (1974).
Tavernolesia^[79]	Gen. et comb. nov	Valid	Artal & Onetti	Eocene (Lutetian)		Spain	A crab belonging to the group Calappoidea. Genus includes "Stenodromia" calasanctii Via (1959)
Tethysmunida^[61]	Gen. et sp. et comb. nov	Valid	De Angeli & Ceccon	Eocene (Ypresian)		Italy	A member of the family Munididae or Munidopsidae.^[80] The type species is T. corallina; genus might also include "Faxegalathea" valeccensis Beschin et al. (2016).
Woodwardicheles^[78]	Gen. et comb. nov	Valid	Audo, Charbonnier & Krobicki	Early Cretaceous (Valanginian)		Czech Republic	A member of the family Polychelidae; a new genus for "Eryon" neocomiensis Woodward (1881).
Yunnanocopia^[81]	Gen. et 2 sp. nov	Valid	Feldmann et al.	Middle Triassic (Anisian)		China	A member of Lophogastrida. Genus includes new species Y. grandis and Y. longicauda.

Ostracods

Name	Novelty	Status	Authors	Age	Unit	Location	Notes
Acanthoscapha mersinella^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	Originally described as a species of Acanthoscapha, but subsequently transferred to the genus Kozuria.^[83]
Acratia chongpani^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early and Middle Permian	Pha Nok Khao Formation Tak Fa Formation	Greece Thailand	A member of the family Acratiidae.
Acratia kollmanni^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Bairdioidea and the family Acratiidae.
Acratia mongkoli^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early and Middle Permian	Pha Nok Khao Formation Tak Fa Formation	Greece Thailand	A member of the family Acratiidae.
Arcuaria hebukesarensis^[85]	Sp. nov	Valid	Song, Crasquin & Gong	Late Devonian		China
Bairdia fontainei^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early and Middle Permian	Pha Nok Khao Formation Tak Fa Formation	Thailand	A member of the family Bairdiidae.
Bairdia songthami^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Permian	Nam Maholan Formation Pha Nok Khao Formation Tak Fa Formation	Serbia Thailand	A member of the family Bairdiidae.
Bairdia hugluensis^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Bairdioidea and the family Bairdiidae.
Bairdia incisedorsa^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Middle Permian	Tak Fa Formation	Thailand	A member of the family Bairdiidae.
Bairdia khaokanaensis^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early Permian	Pha Nok Khao Formation	Thailand	A member of the family Bairdiidae.
Bairdia shaerbuertiensis^[85]	Sp. nov	Valid	Song, Crasquin & Gong	Late Devonian		China
Bairdia songthami^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early and Middle Permian	Pha Nok Khao Formation Tak Fa Formation	Thailand	A member of the family Bairdiidae.
Bairdoppilata barreirinhensis^[86]	Sp. nov	Valid	Santos in Santos Filho, Fauth & Piovesan	Cretaceous (Aptian-middle Coniacian)	Barreirinhas Basin Florianópolis Formation Guarujá Formation	Brazil	A member of Bairdiidae.
Baschkirina ruchae^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early Permian	Nam Maholan Formation Pha Nok Khao Formation	Thailand	A member of the family Acratiidae.
Basslerella naresi^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early Permian	Nam Maholan Formation Tak Fa Formation	Thailand	A member of the family Cytherideidae.
Basslerella wipanuae^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early Permian	Pha Nok Khao Formation Tak Fa Formation	Thailand	A member of the family Cytherideidae.
Bollia sinitsae^[87]	Sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia
Bungonibeyrichia copelandi^[88]	Sp. nov	Valid	Camilleri, Warne & Holloway	Silurian–Devonian		Australia
Bythoceratina subumbonata^[89]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Paleocene		Atlantic Ocean floor off the coast of Canada
Bythoceratina wilsoni^[89]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Paleocene		Atlantic Ocean floor off the coast of Canada
Camptocythere (Camptocythere) angustius^[90]	Sp. nov	Valid	Tesakova & Shurupova	Middle Jurassic (Bajocian)		Russia	A member of Podocopida belonging to the family Progonocytheridae.
Camptocythere (Camptocythere) lateres^[90]	Sp. nov	Valid	Tesakova & Shurupova	Middle Jurassic (Bajocian and Bathonian)		Russia	A member of Podocopida belonging to the family Progonocytheridae.
Candona averta^[91]	Sp. nov	Valid	Forester et al.	Late Quaternary		United States	A member of Candonidae.
Candona cerca^[91]	Sp. nov	Valid	Forester et al.	Late Quaternary		United States	A member of Candonidae.
Candona corncreekensis^[91]	Sp. nov	Valid	Forester et al.	Late Quaternary		United States	A member of Candonidae.
Candona coyotespringensis^[91]	Sp. nov	Valid	Forester et al.	Late Quaternary		United States	A member of Candonidae.
Candona mojavensis^[91]	Sp. nov	Valid	Forester et al.	Late Quaternary		United States	A member of Candonidae.
Candona pahrumpensis^[91]	Sp. nov	Valid	Forester et al.	Late Quaternary		United States	A member of Candonidae.
Caspiocypris basilicii^[92]	Sp. nov	Valid	Spadi, Gliozzi & Medici	Plio–Pleistocene		Italy	A member of the subfamily Candoninae.
Caspiocypris perusia^[92]	Sp. nov	Valid	Spadi, Gliozzi & Medici	Plio–Pleistocene		Italy	A member of the subfamily Candoninae.
Caspiocypris posteroacuta^[92]	Sp. nov	Valid	Spadi, Gliozzi & Medici	Plio–Pleistocene		Italy	A member of the subfamily Candoninae.
Caspiocypris tiberina^[92]	Sp. nov	Valid	Spadi, Gliozzi & Medici	Plio–Pleistocene		Italy	A member of the subfamily Candoninae.
Caspiocypris tuderis^[92]	Sp. nov	Valid	Spadi, Gliozzi & Medici	Plio–Pleistocene		Italy	A member of the subfamily Candoninae.
Cherskiella baikalica^[87]	Sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia
Citrella? carniana^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Cytheruridae.
Compositocostata^[93]	Gen. et sp. nov	Valid	Sobolev	Carboniferous (Tournaisian)		Russia	A member of Podocopida belonging to the family Bythocytheridae. Genus includes new species C. cumina.
Cribroconcha honggulelengensis^[85]	Sp. nov	Valid	Song, Crasquin & Gong	Late Devonian		China
Croninocythereis clavae^[94]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Paleocene (Thanetian)		Atlantic Ocean floor off the coast of Canada	A member of the family Trachyleberididae.
Cypria kempfi^[95]	Sp. nov	Valid	Keyser & Friedrich	Eocene		Germany	A species of Cypria known from Baltic amber.
Cypridea gujialingensis^[96]	Sp. nov	Valid	Wang et al.	Early Cretaceous		China	A species of Cypridea.
Cyprideis amaru^[97]	Sp. nov	Valid	Martínez-García et al.	Miocene		Ecuador
Cyprideis lojaensis^[97]	Sp. nov	Valid	Martínez-García et al.	Miocene		Ecuador
Cyprideis pachamama^[97]	Sp. nov	Valid	Martínez-García et al.	Miocene		Ecuador
Cyprideis petersonae^[97]	Sp. nov	Valid	Martínez-García et al.	Miocene		Ecuador
Cyprideis tumi^[97]	Sp. nov	Valid	Martínez-García et al.	Miocene		Ecuador
Cypris whatleyi^[98]	Sp. nov	Valid	Khosla, Rathore & Nagori	Miocene		Nepal	A member of the family Cyprididae.
Cytherella ventercavus^[86]	Sp. nov	Valid	Santos Filho, Fauth & Piovesan	Late Cretaceous (Turonian-middle Coniacian)	Barreirinhas Basin	Brazil	A member of Cytherellidae.
Cytherelloidea awaldaensis^[99]	Sp. nov	Valid	Chaudhary, Nagori & Bhanat	Late Cretaceous	Bagh Formation	India	A member of the family Cytherellidae.
Cytherelloidea rosebaidaensis^[99]	Sp. nov	Valid	Chaudhary, Nagori & Bhanat	Late Cretaceous	Bagh Formation	India	A member of the family Cytherellidae.
Cytheropteron americanum^[89]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Paleocene		Atlantic Ocean floor off the coast of Canada
Cytheropteron nasutum^[100]	Sp. nov	Valid	Yasuhara, Hunt & Okahashi	Late Quaternary		Pacific Ocean (Shatsky Rise)	A member of Podocopida belonging to the superfamily Cytheroidea and the family Cytheruridae.
Cytheropteron newfoundlandense^[89]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Paleocene		Atlantic Ocean floor off the coast of Canada
Cytheropteron? schornikovi^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Cytheruridae.
Dolerocypria? robinsmithi^[101]	Sp. nov	Valid	Matzke-Karasz et al.	Miocene (Aquitanian	La Quinta Formation (Mexican amber)	Mexico	A member of the family Candonidae.
Editella glyptopleuraformis^[93]	Sp. nov	Valid	Sobolev	Carboniferous (Tournaisian)		Russia	A member of Podocopida belonging to the family Editiidae.
Edithobairdia^[82]	Gen. et comb. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Italy Turkey	A member of Podocopida belonging to the superfamily Bairdioidea and the family Bairdiidae. The type species is E. polyacantha (Kristan-Tollmann, 1978).
Egorovellina (?) shuvalovae^[87]	Sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia
Eucytherura lacerata^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Cytheruridae.
Eucytherura macropora pygmaea^[102]	Subsp. nov	Valid	Ohmert	Oligocene	Middle Pechelbronn Formation	Germany
Fabalicypris hathaithipae^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early Permian	Pha Nok Khao Formation Tak Fa Formation	Thailand	A member of the family Bairdiidae.
Gencella^[82]	Gen. et sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Bairdioidea and the family Beecherellidae. The type species is G. taurensis.
Glandites planus^[87]	Sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia
Gontiella^[87]	Gen. et sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia	Genus includes new species G. mira.
Hallatina opima^[87]	Sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia
Hammatocythere oertlii tarda^[102]	Subsp. nov	Valid	Ohmert	Oligocene	Middle Pechelbronn Formation	Germany
Hammatocythere xenae^[102]	Sp. nov	Valid	Ohmert	Oligocene	Middle Pechelbronn Formation	Germany
Heterocypris ballentae^[97]	Sp. nov	Valid	Martínez-García et al.	Miocene		Ecuador
Hollinella (Hollinella) lungcamensis^[103]	Sp. nov	Valid^[104]	Crasquin in Crasquin et al.	Latest Permian and earliest Triassic	Hong Ngai Formation	Vietnam	A member of Palaeocopida belonging to the family Hollinellidae.
Kerocythere dorsidenticulata^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Cytheruridae.
Kerocythere tricostata^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Cytheruridae.
Legitimocythere stellae^[100]	Sp. nov	Valid	Yasuhara, Hunt & Okahashi	Late Quaternary		Pacific Ocean (Shatsky Rise)	A member of Podocopida belonging to the superfamily Cytheroidea and the family Trachyleberididae.
Leperditella nalednaya^[87]	Sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia
Liuzhinia naramasei^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early Permian	Pha Nok Khao Formation Tak Fa Formation	Thailand	A member of the family Acratiidae.
Microchelinella bulongourensis^[85]	Sp. nov	Valid	Song, Crasquin & Gong	Late Devonian		China
Microchelinella hoxtolgayensis^[85]	Sp. nov	Valid	Song, Crasquin & Gong	Late Devonian		China
Monoceratina praevulsaformis^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Bythocytheridae.
Nemoceratina (Pariceratina) guerneti^[89]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Paleocene		Atlantic Ocean floor off the coast of Canada
Paralimnocythere umbra^[92]	Sp. nov	Valid	Spadi, Gliozzi & Medici	Plio–Pleistocene		Italy	A member of the subfamily Limnocytherinae.
Parapontoparta lagranjae^[101]	Sp. nov	Valid	Matzke-Karasz et al.	Miocene (Aquitanian	La Quinta Formation (Mexican amber)	Mexico	A member of the family Candonidae.
Patellacythere tourkosella^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Bythocytheridae.
Petasobairdia campbelli^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early and Middle Permian	Tak Fa Formation	Thailand United States^[105]	A member of the family Bairdiidae.
Phacorhabdotus flabellicarinus^[94]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Late Cretaceous (Maastrichtian) to early Eocene		North Atlantic Ocean	A member of the family Trachyleberididae.
Plicocandona^[91]	Gen. et 5 sp. nov	Valid	Forester et al.	Late Quaternary		United States	A member of Candonidae. The type species is P. valentis; genus also includes P. cassicula, P. macraina, P. sagena and P. striola.
Polycope kilekensis^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of the family Polycopidae.
Poseidonamicus norrisi^[94]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Middle and late Paleocene		North Atlantic Ocean	A member of the family Thaerocytheridae.
Poseidonamicus shatskyensis^[100]	Sp. nov	Valid	Yasuhara, Hunt & Okahashi	Late Quaternary		Pacific Ocean (Shatsky Rise)	A member of Podocopida belonging to the superfamily Cytheroidea and the family Thaerocytheridae.
Potamocypris nepalensis^[98]	Sp. nov	Valid	Khosla, Rathore & Nagori	Miocene		Nepal	A species of Potamocypris
Potiguarella maranhensis^[86]	Sp. nov	Valid	Santos Filho, Fauth & Piovesan	Late Cretaceous (Turonian-middle Coniacian)	Barreirinhas Basin	Brazil	A member of Trachyleberididae.
Pribylites junggarensis^[85]	Sp. nov	Valid	Song, Crasquin & Gong	Late Devonian		China
Pribylites wulankeshunensis^[85]	Sp. nov	Valid	Song, Crasquin & Gong	Late Devonian		China
Primitia kalarensis^[87]	Sp. nov	Valid	Melnikova	Middle Ordovician	Nalednyi Formation	Russia
Ptychobairdia praekristanae^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Bairdioidea and the family Bairdiidae.
Rossicuvillierina^[106]	Nom. nov	Valid	Brandão	Pleistocene		Argentina	A member of Podocopida belonging to the family Hemicytheridae; a replacement name for Cuvillierina Rossi de García (1972).
Ryugucivis blumi^[94]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Paleocene (Danian and Selandian)		Atlantic Ocean floor off the coast of Canada	A member of the family Trachyleberididae.
Serrocytheridea witti^[102]	Sp. nov	Valid	Ohmert	Oligocene	Middle Pechelbronn Formation	Germany
Silenites sureeae^[84]	Sp. nov	Valid	Chitnarin in Chitnarin et al.	Early and Middle Permian	Nam Maholan Formation Pha Nok Khao Formation Tak Fa Formation	Thailand	A member of the family Bairdiidae.
Simeonella daginikella^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Limnocytheridae.
Spinomicrocheilinella reliquiaella^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Sigillioidea and the family Microcheilinellidae.
Strumibythere simplex^[93]	Sp. nov	Valid	Sobolev	Carboniferous (Tournaisian)		Russia	A member of Podocopida belonging to the family Bythocytheridae.
Thalassocypria cumangulus^[101]	Sp. nov	Valid	Matzke-Karasz et al.	Miocene (Aquitanian	La Quinta Formation (Mexican amber)	Mexico	A member of the family Candonidae.
Thalassocypria electri^[101]	Sp. nov	Valid	Matzke-Karasz et al.	Miocene (Aquitanian	La Quinta Formation (Mexican amber)	Mexico	A member of the family Candonidae.
Thalassocypria nicokaraszi^[101]	Sp. nov	Valid	Matzke-Karasz et al.	Miocene (Aquitanian	La Quinta Formation (Mexican amber)	Mexico	A member of the family Candonidae.
Thalassocypria resinae^[101]	Sp. nov	Valid	Matzke-Karasz et al.	Miocene (Aquitanian	La Quinta Formation (Mexican amber)	Mexico	A member of the family Candonidae.
Trachyleberidea cronini^[94]	Sp. nov	Valid	Yamaguchi, Matsui & Nishi	Early Paleocene to late Oligocene		Atlantic Ocean Spain	A member of the family Trachyleberididae.
Triassocythere tavuscayiriensis^[82]	Sp. nov	Valid	Forel in Forel et al.	Late Triassic (Carnian)		Turkey	A member of Podocopida belonging to the superfamily Cytheroidea and the family Bythocytheridae.
Zonocypris curvicostata^[98]	Sp. nov	Valid	Khosla, Rathore & Nagori	Miocene		Nepal	A member of the family Cyprididae.

Other crustaceans

Name	Novelty	Status	Authors	Age	Unit	Location	Notes
Estherites? jocelynae^[107]	Sp. nov	Valid	Stigall, Plotnick & Park Boush	Early Oligocene	Medicine Lodge Formation	United States	A clam shrimp belonging to the superfamily Estheriteoidea.
Liaoxiestheria^[108]	Gen. et sp. nov	Valid	Liao, Shen & Huang	Middle–Late Jurassic	Linglongta beds	China	A clam shrimp. The type species is L. linglongtaensis.
Litholepas^[109]	Gen. et sp. nov	Valid	Nagler et al.	Late Jurassic		Germany	A goose barnacle belonging to the family Eolepadidae. Genus includes new species L. klausreschi.
Ordosestheria chottsensis^[110]	Sp. nov	Valid	Li et al.	Early Cretaceous (early Barremian)	Bouhedma Formation	Tunisia	A clam shrimp.
Punctatestheria^[111]	Gen. et 2 sp. et comb. nov	Valid	Zhang et al.	Jurassic	Badaowan Formation Qiketai Formation	China United Kingdom	A clam shrimp. The type species is P. lianmuqinensis; genus also includes new species P. karamayensis, as well as "Euestheria" trotternishensis Chen & Hudson (1991).
Rossolimnadiopsis hanskerpi^[112]	Sp. nov	Valid	Scholze et al.	Early Triassic	Ma'in Formation	Jordan	A clam shrimp.
Surreyestheria^[113]	Gen. et sp. nov	Valid	Liao et al.	Early Cretaceous (Barremian)	Upper Weald Clay Formation	United Kingdom	A clam shrimp belonging to the family Afrograptidae. The type species is S. ockleyensis.
Yunnanocyclus^[114]	Gen. et sp. nov	Valid	Feldmann et al.	Middle Triassic (Anisian)	Guanling Formation	China	A member of Cyclida. Genus includes new species Y. nodosus.

Insects

Trilobites

Research

Three specimens of Megistaspis (Ekeraspis) hammondi preserving appendages and digestive tract are described from the Ordovician Fezouata Konservat-Lagerstätte (Morocco) by Gutiérrez-Marco et al. (2017).^[115]
A moulted specimen of Telephina intermedia with one of the compound eyes showing traces of serious damage which has healed is described from the Ordovician (Darriwilian) Elnes Formation (Norway) by Schoenemann, Clarkson & Høyberget (2017).^[116]
Eggs preserved with two specimens of Triarthrus eatoni are described from the Ordovician Lorraine Group (upstate New York, United States) by Hegna, Martin & Darroch (2017).^[117]
Extraordinarily preserved appendages of the metadoxidid species Hongshiyanaspis yiliangensis are described from the Cambrian Hongjingshao Formation (Yunnan, China) by Zeng et al. (2017).^[118]
Digestive structures of two species of Cambrian trilobites from China (Palaeolenus lantenoisi and Redlichia mansuyi) are described by Hopkins et al. (2017).^[119]
Remnants of cellular systems are identified in the compound eye of Schmidtiellus reetae from the Cambrian of Estonia by Schoenemann, Pärnaste & Clarkson (2017).^[120]

New taxa

Name	Novelty	Status	Authors	Age	Unit	Location	Notes
Adrisiops^[121]	Gen. et sp. et comb. nov	Valid	Van Viersen, Holland & Koppka	Devonian (late Emsian to Eifelian)	El Otfal Formation	Algeria Morocco	A member of Phacopidae. The type species is A. weugi; genus also includes "Phacops" boudjemaai Khaldi et al. (2016) and "Geesops" fabrei Khaldi et al. (2016).
Agraulos lewisi^[122]	Sp. nov	Valid	Fletcher	Cambrian		United Kingdom
Austerops couvinensis^[123]	Sp. nov	Valid	Van Viersen, Taghon & Magrean	Devonian (Eifelian)	Jemelle Formation	Belgium	A member of Phacopida.
Austerops hottonensis^[123]	Sp. nov	Valid	Van Viersen, Taghon & Magrean	Devonian (Eifelian)	Jemelle Formation	Belgium	A member of Phacopida.
Cyrtoproetus kerhini^[124]	Sp. nov	Valid	Brezinski	Carboniferous (late Mississippian)	Fayetteville Formation	United States
Declivolithus titan^[125]	Sp. nov	Valid	Fortey & Edgecombe	Ordovician (Katian)	Lower Ktaoua Formation	Morocco	A member of the family Trinucleidae.
Elrathia groenlandica^[126]	Sp. nov	Junior homonym	Geyer & Peel	Cambrian	Ekspedition Bræ Formation	Greenland	The specific name is preoccupied by Elrathia? groenlandica Poulsen (1927). Geyer & Peel (2020) coined a replacement name Elrathia hensonensis.^[127]
Elrathina aphrodite^[126]	Sp. nov	Valid	Geyer & Peel	Cambrian	Ekspedition Bræ Formation	Greenland
Elrathina athena^[126]	Sp. nov	Valid	Geyer & Peel	Cambrian	Ekspedition Bræ Formation	Greenland
Elrathina hera^[126]	Sp. nov	Valid	Geyer & Peel	Cambrian	Ekspedition Bræ Formation	Greenland
Holmdalia glabra^[128]	Sp. nov	Valid	Westrop & Dengler	Camnrian (Guzhangian)		Canada
Holmdalia lata^[128]	Sp. nov	Valid	Westrop & Dengler	Camnrian (Guzhangian)		Canada
Holmdalia palpebra^[128]	Sp. nov	Valid	Westrop & Dengler	Camnrian (Drumian)		Canada
Holmdalia tenaga^[128]	Sp. nov	Valid	Westrop & Dengler	Camnrian (Drumian)		Canada
Holmdalia tubercula^[128]	Sp. nov	Valid	Westrop & Dengler	Camnrian (Guzhangian)		Canada
Hottonops^[123]	Gen. et sp. nov	Valid	Van Viersen, Taghon & Magrean	Devonian (Eifelian)		Belgium	A member of Phacopida. Genus includes new species H. daumeriesi.
Illaenus (Baltillaenus)^[129]	Subgen. nov	Valid	Krylov	Ordovician		Estonia Poland Russia Sweden	A subgenus of Illaenus. The type species is Illaenus laticlavius Eichwald (1860); the subgenus also includes I. plautini Holm (1886), I. glabrisculus Jaanusson (1957) and I. incisus Jaanusson (1957).
Illaenus (Pseudoillaenus)^[129]	Subgen. et comb. nov	Valid	Krylov	Ordovician		Estonia Russia	A subgenus of Illaenus. The type species is "Entomostracites" tauricornis Kutorga (1848); the subgenus also includes I. wahlenbergi (Eichwald, 1825), I. schuberti Nielsen (1995), I. dalmani Volborth (1863) and I. sarsi Jaanusson (1954).
Illaenus (Rutheniaeillaenus)^[129]	Subgen. et sp. nov	Valid	Krylov	Ordovician		Estonia Poland Russia Sweden	A subgenus of Illaenus. The type species is Illaenus jevensis Holm (1886); the subgenus also includes I. sphaericus Holm (1882) and I. sulcifrons Holm (1886), as well as new species I. dubari.
Illaenus (Trigonillaenus)^[129]	Subgen. et comb. 2 sp. nov	Valid	Krylov	Ordovician		Estonia Finland Germany Poland Russia	A subgenus of Illaenus. The type species is "Wossekia" brevispina Krylov (2010); the subgenus also includes Illaenus schmidti Nieszkowski (1857), I. sinuatus Holm (1886) and I. slancyensis Krylov (2016), as well as new species I. kotlukovae and I. volkhovensis.
Illaenus welchi^[130]	Sp. nov	Valid	Loch & Ethington	Ordovician (Whiterock Stage)	Antelope Valley Limestone Ninemile Formation	United States
Iputaspis^[131]	Gen. et sp. nov	Valid	McCobb & Popov	Ordovician (Katian)	Mayatas Formation	Kazakhstan	A trinucleid trilobite. Genus includes new species I. stepnyakensis.
Kaskia pitkinensis^[124]	Sp. nov	Valid	Brezinski	Carboniferous (late Mississippian)	Pitkin Formation	United States
Kettneraspis knoppi^[132]	Sp. nov	Valid	Basse & Müller	Devonian		Germany
Kettneraspis ralphi^[132]	Sp. nov	Valid	Basse & Müller	Devonian		Germany
Kingaspidoides alberti^[133]	Sp. nov	Valid	Geyer	Cambrian Stage 5	Tannenknock Formation	Germany
Kingaspidoides meieri^[133]	Sp. nov	Valid	Geyer	Cambrian Stage 5	Tannenknock Formation	Germany
Loreleiops^[123]	Gen. et sp. et comb. nov	Valid	Van Viersen, Taghon & Magrean	Devonian (Eifelian-Givetian)	Jemelle Formation	Belgium Germany	A member of Phacopida. Genus includes new species L. suffeleersi, as well as "Pedinopariops" simulator Basse (1998) and "Pedinopariops" hoelleri van Viersen, Prescher & Savelsbergh (2009).
Michaspis jucunda^[134]	Sp. nov	Valid	Pegel & Shabanov in Pegel et al.	Middle Cambrian		Russia	A member of Ptychopariida belonging to the family Proasaphiscidae.
Morocops spinifer^[121]	Sp. nov	Valid	Van Viersen, Holland & Koppka	Devonian (late Emsian)	Khebchia Formation	Morocco	A member of Phacopidae.
Octillaenus marocanus^[135]	Sp. nov	Valid	Pereira et al.	Late Ordovician (Katian)	Upper Ktaoua Formation	Morocco	A member of the family Illaenidae.
Parasolenopleura parabolica^[133]	Sp. nov	Valid	Geyer	Cambrian Stage 5	Tannenknock Formation	Germany
Parasolenopleura wurmi^[133]	Sp. nov	Valid	Geyer	Cambrian Stage 5	Tannenknock Formation	Germany
Pengia palsgaardia^[136]	Sp. nov	Valid	Ebbestad & Weidner	Cambrian		Denmark	A member of Burlingiidae.
Platypeltoides carmenae^[137]	Sp. nov	Valid	Corbacho et al.	Ordovician (Tremadocian)	Lower Fezouata Formation	Morocco	A member of the family Nileidae.
Pseudophillipsia (Carniphillipsia) dizluensis^[138]	Sp. nov	Valid	Ameri, Yazdi & Bahrami	Permian (Wordian)	Jamal Formation	Iran	A member of the family Phillipsiidae.
Shantungia liui^[139]	Sp. nov	Valid	Ren, Wei & Yuan	Cambrian (Guzhangian)	Kushan Formation	China	A member of the family Damesellidae.
Skreiaspis punctatissimus^[122]	Sp. nov	Valid	Fletcher	Cambrian		Canada
Tafilaltaspis ahrensi^[132]	Sp. nov	Valid	Basse & Müller	Devonian	Leun Limestone	Germany
Vysocania moraveci^[135]	Sp. nov	Valid	Pereira et al.	Late Ordovician (probably Sandbian)	Letná Formation Libeň Formation	Czech Republic	A member of the family Illaenidae.

Other arthropods

Research

Nielsen, Rasmussen & Harper (2017) confirm the presence of dimorphism in a large sample of individuals of Isoxys volucris from the Cambrian Sirius Passet Lagerstätte (Greenland), which they interpret as likely sexual dimorphism.^[140]
A redescription of Utahcaris orion based on a restudy of the original material is published by Legg & Pates (2017).^[141]
A study on the phylogenetic relationships of Enalikter aphson is published by Parry, Legg & Sutton (2017), who support the original interpretation of the species as an arthropod.^[142]
A study on the lateral tail flexibility in the eurypterid Slimonia acuminata based on a new specimen is published by Persons & Acorn (2017).^[143]^[144]^[145]
Traces produced by swimming eurypterids are described from the Silurian Williamsville Formation (Ontario, Canada) and Tonoloway Formation (Pennsylvania, United States) by Vrazo & Ciurca (2017), who name a new ichnotaxon Arcuites bertiensis.^[146]
Description of the anatomy of the Triassic horseshoe crab species Yunnanolimulus luopingensis based on specimens with well preserved appendages and soft tissues, recovered from the Guanling Formation (China), is published by Hu et al. (2017).^[147]
A study on the phylogenetic relationships of Rhyniognatha hirsti is published by Haug & Haug (2017) who consider this taxon to be more likely a myriapod (possibly a centipede) rather than an insect.^[148]
A study on the age of the Cowie Harbour Fish Bed (Scotland, United Kingdom), containing fish and arthropod fossils (including the millipede Pneumodesmus newmani), is published by Suarez et al. (2017).^[149]
A study on the microstructural details of the cuticle of the concavicarid thylacocephalans from the Devonian (Famennian) of Poland, identifying possible remains of sensory system, is published by Broda & Zatoń (2017).^[150]
A review of the research history, distribution, anatomy, ontogeny and inferred mode of life of Agnostus pisiformis is published by Eriksson & Horn (2017), who also present enlarged three-dimensional sculptural models of members of the species.^[151]
A restudy of the Burgess Shale arthropod Habelia based on known and new specimens is published by Aria & Caron (2017), who interpret Habelia as a close relative of Sanctacaris uncata and name a new arachnomorph order Habeliida.^[152]

New taxa

Name	Novelty	Status	Authors	Age	Unit	Location	Notes
Acutobalteus^[153]	Gen. et sp. nov	Valid	Betts et al.	Early Cambrian		Australia	A member of Bradoriida. Genus includes new species A. sinuosus.
Ankitokazocaris chaohuensis^[154]	Sp. nov	Valid	Ji et al.	Early Triassic		China	A member of Thylacocephala (a group of arthropods of uncertain phylogenetic placement, possibly crustaceans).
Antarcticarcinus^[155]	Gen. et sp. nov	Valid	Collette, Isbell & Miller	Permian	Pagoda Formation	Antarctica	A member of Euthycarcinoidea. Genus includes new species A. pagoda.
Beyrichona avannga^[156]	Sp. nov	Valid	Peel	Cambrian Stage 4		Greenland	A member of Bradoriida.
Diploaspis praecursor^[157]	Sp. nov	Valid	Lamsdell & Briggs	Late Silurian	Phelps Member of the Fiddlers Green Formation (Bertie Group)	United States
Eozetetes^[158]	Gen. et sp. nov	Valid	Edgecombe, Paterson & García-Bellido	Early Cambrian	Emu Bay Shale	Australia	A member of Euarthropoda of uncertain phylogenetic placement, might be related to aglaspidids or Emeraldella. The type species is Eozetetes gemmelli.
Eozhexiella^[153]	Gen. et sp. nov	Valid	Betts et al.	Early Cambrian		Australia	A member of Bradoriida. Genus includes new species E. adnyamathanha.
Globulocaris^[159]	Gen. et sp. nov		Teruzzi & Charbonnier in Charbonnier et al.	Late Cretaceous (Cenomanian)		Lebanon	A member of Thylacocephala belonging to the group Concavicarida and the family Protozoeidae. The type species is G. garassinoi.
Glypharthrus magnoculus^[160]	Sp. nov	Valid	Lerosey-Aubril et al.	Cambrian (Furongian)	McKay Group	Canada	A member of Aglaspidida.
Glypharthrus trispinicaudatus^[161]	Sp. nov		Lerosey-Aubril, Zhu & Ortega-Hernández	Cambrian (Jiangshanian)	Sandu Formation	China	A member of Aglaspidida belonging to the family Aglaspididae.
Hamaticaris^[159]	Gen. et comb. nov		Charbonnier in Charbonnier et al.	Late Cretaceous (Santonian)		Lebanon	A member of Thylacocephala belonging to the group Concavicarida and the family Protozoeidae. The type species is "Protozoea" damesi Roger (1946).
Hipponicharion skovstedi^[156]	Sp. nov	Valid	Peel	Cambrian Stage 4		Greenland	A member of Bradoriida.
Itagnostus subhastatus^[126]	Sp. nov	Valid	Geyer & Peel	Cambrian	Ekspedition Bræ Formation	Greenland	A member of Agnostida (a group of arthropods of uncertain phylogenetic placement, possibly trilobites).
Keelicaris^[159]	Gen. et sp. nov		Teruzzi & Charbonnier in Charbonnier et al.	Late Cretaceous (Santonian)		Lebanon	A member of Thylacocephala belonging to the group Concavicarida and the family Microcarididae. The type species is K. deborae.
Leanchoilia obesa^[162]	Sp. nov	Valid	He et al.	Cambrian		China
Limulitella tejraensis^[163]	Sp. nov	Valid	Błażejowski et al.	Middle Triassic (Anisian–early Ladinian)	Ouled Chebbi Formation	Tunisia	A horseshoe crab.
Lotagnostus matthewi^[164]	Sp. nov	Valid	Westrop & Landing	Cambrian (Furongian)	Chelsey Drive Group	Canada	A member of Agnostida (a group of arthropods of uncertain phylogenetic placement, possibly trilobites)
Lotagnostus salteri^[164]	Sp. nov	Valid	Westrop & Landing	Cambrian (Furongian)	Chelsey Drive Group	Canada	A member of Agnostida (a group of arthropods of uncertain phylogenetic placement, possibly trilobites)
Manawarra^[153]	Gen. et sp. nov	Valid	Betts et al.	Early Cambrian		Australia	A member of Bradoriida. Genus includes new species M. jonesi.
Mengdongella^[165]	Gen. et sp. nov	Valid	Zhang & Xiao	Cambrian (Paibian)	Wangcun Lagerstätte	China	A bivalved arthropod of uncertain phylogenetic placement. Genus includes new species M. elliptica.
Mimetaster florestaensis^[166]	Sp. nov	Valid	Aris et al.	Ordovician (early Tremadocian)	Floresta Formation	Argentina	A member of Marrellida belonging to the family Mimetasteridae.
Molaria steini^[167]	Sp. nov	Valid	Peel	Cambrian Stage 3	Sirius Passet Lagerstätte	Greenland
Mongolitubulus decensus^[153]	Sp. nov	Valid	Betts et al.	Early Cambrian		Australia	A member of Bradoriida.
Navarana^[156]	Gen. et comb. nov	Valid	Peel	Cambrian		Greenland	A member of Bradoriida; a new genus for "Hipponicharion" pearylandica Peel et al. (2016).
Occacaris lazizhaiensis^[168]	Sp. nov	Valid	Wen et al.	Cambrian	Balang Formation	China
Paleolimulus kunguricus^[169]	Sp. nov	Valid	Naugolnykh	Permian (Kungurian)	Shurtan Formation	Russia	A xiphosuran.
Paradollocaris^[159]	Gen. et sp. nov		Charbonnier in Charbonnier et al.	Late Cretaceous (Cenomanian)		Lebanon	A member of Thylacocephala belonging to the group Conchyliocarida and the family Dollocarididae. The type species is P. vannieri.
Siphoniulus muelleri^[170]	Sp. nov	Valid	Liu, Rühr & Wesener	Late Cretaceous	Burmese amber	Myanmar	A millipede, a species of Siphoniulus.
Siphoniulus preciosus^[170]	Sp. nov	Valid	Liu, Rühr & Wesener	Late Cretaceous	Burmese amber	Myanmar	A millipede, a species of Siphoniulus.
Thylacocaris^[159]	Gen. et sp. nov		Audo & Charbonnier in Charbonnier et al.	Late Cretaceous (Cenomanian)		Lebanon	A member of Thylacocephala belonging to the group Conchyliocarida and the family Dollocarididae. The type species is T. schrami.
Tokummia^[171]	Gen. et sp. nov	Valid	Aria & Caron	Cambrian Stage 5	Stephen Formation	Canada	A large bivalved arthropod belonging to the order Hymenocarina and the family Protocarididae. Genus includes new species T. katalepsis.
Tuzoia jianheensis^[172]	Sp. nov	Valid	Chen et al.	Cambrian		China
Vaderlimulus^[173]	Gen. et sp. nov	Valid	Lerner, Lucas & Lockley	Early Triassic (Olenekian)	Thaynes Group	United States	A xiphosuran belonging to the family Austrolimulidae. Genus includes new species V. tricki.
Xandarella mauretanica^[174]	Sp. nov		Ortega-Hernández et al.	Cambrian Stage 5	Tatelt Formation	Morocco	A member of Artiopoda belonging to the group Xandarellida. El Albani et al. (2024) reclassified it as a species of trilobite genus Gigoutella.^[175]

References

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^ Lidia Chitimia-Dobler; Bruno Cancian de Araujo; Bernhard Ruthensteiner; Timo Pfeffer; Jason A. Dunlop (2017). "Amblyomma birmitum a new species of hard tick in Burmese amber". Parasitology. 144 (11): 1441–1448. doi:10.1017/S0031182017000853. PMID 28583219. S2CID 4581163.
^ ^a ^b ^c ^d ^e ^f ^g ^h Jörg Wunderlich (2017). "New fossil spiders of three families in Eocene Baltic amber and Bitterfeld amber, with notes on phylogeny and relationships of the Zoropsidae (Araneae: Anapidae, Spatiatoridae and Zoropsidae)" (PDF). In Jörg Wunderlich (ed.). Beiträge zur Araneologie, 10. pp. 14–47.
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Arachnids

Research

New taxa

Crustaceans

Research

New taxa

Malacostracans

Ostracods

Other crustaceans

Insects

Trilobites

Research

New taxa

Other arthropods

Research

New taxa

References

See also