Megastomia

Megastomia
	Megastomia tenera
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Family:	Pyramidellidae
Genus:	Megastomia; Monterosato, 1884
Synonyms
	† Evelynella Laws, 1940; Odostomia (Megastomia) Monterosato, 1884; Stomega Dall & Bartsch, 1904 (unnecessary replacement name for Megastomia);

Megastomia is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.^[1]^[2]

Taxonomy

Over fifty species worldwide have been placed in (sub)genus Megastomia Monterosato, 1884 by a number of authors (e.g. Saurin, 1959, 1962; Peñas & Rolán, 1999; Giannuzzi-Savelli et al. (2014). On the basis of 16s mtDNA sequence data, Schander et al. (2003) distinguished, and placed in Megastomia, two species (M. conoidea (Brocchi, 1814) and M. corimbensis (Schander, 1994)), which clustered separately from other species placed in Odostomia Fleming, 1813. However Høisæter (2014: 34) correctly pointed out that the type species Odostomia conspicua Alder, 1850 "is a typical Odostomia s.s. and has few traits in common with O. conoidea". Considering the large number of species involved, and considering that for most of these species Odostomia is probably not more appropriate, the published combinations with Megastomia are nevertheless retained by the database WoRMS as "accepted" until more data become available.

Species

Species within the genus Megastomia include:^[1]

Megastomia adiposa (Laseron, 1959)
Megastomia adolphi (Saurin, 1959)
Megastomia algoensis (Thiele, 1925)
Megastomia aliter Penas & Rolan, 1999
Megastomia alungata (Nordsieck, 1972)
Megastomia ampliata (Saurin, 1962)
Megastomia atrisaxi (Saurin, 1959)
Megastomia bedoti (Hornung & Mermod, 1924)
Megastomia binhdinhensis (Saurin, 1958)
Megastomia boteroi (Schander, 1994)
Megastomia broti (Hornung & Mermod, 1924)
Megastomia canaria (Hedley, 1907)
Megastomia canina Penas & Rolan, 1999
Megastomia caudana (Saurin, 1959)
Megastomia charneri (Saurin, 1959)
Megastomia clara (Nomura, 1936)
Megastomia conoidea (Brocchi, 1814)
Megastomia conspicua (Alder, 1850)
Megastomia corimbensis Schander, 1994
Megastomia coseli Penas & Rolan, 1999
Megastomia desmiti (van Aartsen, Gittenberger & Goud, 1998)
† Megastomia doliella (Laws, 1940)
Megastomia gea (Bartsch, 1915)
Megastomia gestroi (Hornung & Mermod, 1924)
Megastomia gestroides (Saurin, 1958)
Megastomia gilsoni (Dautzenberg, 1912)
Megastomia gordonis (Yokoyama, 1922)
Megastomia gutta Penas & Rolan, 1999
Megastomia interolineata (Nomura, 1936)
Megastomia jacundior (Nomura, 1937)
† Megastomia kaawa (Laws, 1940)
Megastomia kamakurana (Nomura, 1938)
Megastomia kuroshiwo (Nomura, 1939)
Megastomia makiyamai (Nomura, 1937)
† Megastomia marginalis (Laws, 1940)
Megastomia martinae (Saurin, 1959)
Megastomia metayei (Saurin, 1959)
Megastomia miuraensis (Nomura, 1937)
Megastomia neoexigua (Nomura, 1937)
Megastomia nhatrangensis (Saurin, 1959)
Megastomia pagodiformis (Schander, 1994)
Megastomia palmaensis Penas & Rolan, 1999
Megastomia pernettae (Saurin, 1959)
Megastomia pseudoperforata (Nomura, 1939)
Megastomia pyramidata (Laseron, 1951)
Megastomia regina (Thiele, 1925)
Megastomia ruris Penas & Rolan, 1999
Megastomia sagamiana (Nomura, 1937)
Megastomia saurini (Corgan & Van Aartsen, 1998)
Megastomia serenei (Saurin, 1959)
† Megastomia simemacula (Laws, 1940)
Megastomia simplex (Angas, 1871)
Megastomia sitirighamana (Nomura, 1938)
Megastomia subcarina (Laseron, 1951)
Megastomia subcostata (Saurin, 1959)
Megastomia subscripta (Schander, 1994)
Megastomia sulcifera (E.A. Smith, 1871)
Megastomia supramarginata (Saurin, 1959)
Megastomia tenera (A. Adams, 1860)
Megastomia troncosoi Peñas & Rolán, 2002
Megastomia turbiniformis Penas & Rolan, 1999
Megastomia turukoae Nomura, 1938
Megastomia unifilosa (Saurin, 1962)
† Megastomia venusta (Laws, 1940)
Megastomia vero (Nomura, 1937)
Megastomia winfriedi Penas & Rolan, 1999
Megastomia yabehisakatsui (Nomura, 1936)
Megastomia yukikoae (Nomura, 1938)
Megastomia zaleuca (Melvill, 1910)
Megastomia zijpi (van Aartsen, Gittenberger & Goud, 1998)

The following species were brought into synonymy:^[1]

Megastomia elata (Saurin, 1958): synonym of Megastomia saurini (Corgan & Van Aartsen, 1998)
Megastomia conoidea (Brocchi, 1884: synonym of Odostomia conoidea (Brocchi, 1814)
Megastomia conspicua (Alder, 1850): synonym of Odostomia conspicua Alder, 1850

References

^ ^a ^b ^c ^d Megastomia Monterosato, 1884. Retrieved through: World Register of Marine Species on 3 January 2019.
^ Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.

Monterosato T. A. (di) (1884). Nomenclatura generica e specifica di alcune conchiglie mediterranee. Palermo, Virzi, 152 pp.

External links

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[WoRMS-1] Megastomia Monterosato, 1884. Retrieved through: World Register of Marine Species on 3 January 2019.

[2] Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.

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