Omalogyra

Omalogyra
	Shell of Omalogyra zebrina (paratype at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Infraclass:	Lower Heterobranchia
Superfamily:	Omalogyroidea
Family:	Omalogyridae
Genus:	Omalogyra; Jeffreys, 1860
Type species
	Skenea nitidissima (Adams, 1800), sensu Forbes & Hanley, 1850;
Synonyms
	Ammonicerina O. G. Costa, 1861; Helisalia Laseron, 1954; Homalogyra Jeffreys, 1867 (unjustified emendation);

Omalogyra is a genus of minute marine gastropod molluscs in the family Omalogyridae.^[1]

This genus includes the smallest gastropods, with adult sizes of 1 mm and even less.

Species

Species within the genus Omalogyra include:

Omalogyra (Ammonicera) Vayssière, 1893: synonym of Ammonicera Vayssière, 1893
Omalogyra (Ammonicera) planorbis (Dall, 1927): synonym of Palazzia planorbis (Dall, 1927)
Omalogyra (Ammonicera) rota Forbes & Hanley, 1850: synonym of Ammonicera rota (Forbes & Hanley, 1850)
Omalogyra atomus (Philippi, 1841) sensu Arnaud, 1972: synonym of Omalogyra antarctica Egorova, 1991 (misapplication)
Omalogyra ausonia Palazzi, 1988: synonym of Palazzia ausonia (Palazzi, 1988)
Omalogyra bicarinata Suter, 1908: synonym of Zerotula bicarinata (Suter, 1908)
Omalogyra discula Palazzi, 1988: synonym of Omalogyra disculus Palazzi, 1988
Omalogyra fischeriana Monterosato, 1869: synonym of Ammonicera fischeriana (Monterosato, 1869)
Omalogyra nodicarinata Sleurs, 1983: synonym of Ammonicera nodicarinata (Sleurs, 1985)
Omalogyra planorbis (Dall, 1927): synonym of Palazzia planorbis (Dall, 1927)
Omalogyra pulcherrima Brazier in Henn & Brazier, 1894: synonym of Liotella pulcherrima (Brazier in Henn & Brazier, 1894)
Omalogyra vangoethemi Sleurs, 1983: synonym of Ammonicera vangoethemi (Sleurs, 1985)

^ Bouchet, P.; Gofas, S. (2011). Omalogyra Jeffreys, 1859. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138276 on 2012-01-10
^ Sartori, André F.; Bieler, RüDiger (7 October 2014). "Three new species of Ammonicera from the Eastern Pacific coast of North America, with redescriptions and comments on other species of Omalogyridae (Gastropoda, Heterobranchia)". Zootaxa. 3872 (1): 1. doi:10.11646/zootaxa.3872.1.1.

"Omalogyra". Integrated Taxonomic Information System.
Jeffreys, J.G. 1859. Notes on British Mollusca , in answer to Mr William Clark's remarks on "Gleanings in British Conchology". Annals and Magazine of Natural History 3: 496-499
Jeffreys, J. G. (1860). Sur le mollusque designé par MM. Forbes & Hanley sous le nom de Skenea nitidissima. Journal de Conchyliologie. 8: 108-111.
Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
Rolàn, E., 1992. The family Omalogyridae G.O. Sars, 1878 (Mollusca, Gastropoda) in Cuba with description of eight new species. Apex 7(2): 35-46