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''Otina ovata'' is a species of small, air-breathing sea snail or sea slug, a marine pulmonate gastropod mollusk in the superfamily Otinoidea. ''Otina ovata'' is the only species in the genus ''Otina''.〔("Genus summary for ''Otina''" ). AnimalBase, last modified 16 January 2007, accessed 8 March 2011.〕〔 ''Otina'' is the only genus in the family Otinidae.〔Glöer P. (2002) ''Die Süßwassergastropoden Nord- und Mitteleuropas''. Die Tierwelt Deutschlands, ConchBooks, Hackenheim, 326 pp., ISBN 3-925919-60-0, page 259-290.〕〔 de Bruyne R. H. (2004). ''Encyklopedie ulit a lastur''. Rebo Productions, 336 pp., ISBN 80-7234-288-6, page 226.〕 This family was classified within the clade Eupulmonata, which was within the informal group Basommatophora, according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005). Various authors have referred some North American fossil shells to "Otinidae",〔("Family summary for Otinidae" ). AnimalBase, last modified 16 january 2007, accessed 8 March 2011.〕 but they did not give a genus or species for these records. ==Distribution== This species is not common. It occurs on the coasts of the Northeastern Atlantic Ocean in Western and South-Western Europe:〔 * British Isles (South and West coasts):〔 Great Britain and Ireland * Belgium〔 * Northern France (Manche, Etretat and Atlantic coast)〔 * Spain〔 * Portugal〔 * Sardinia〔 The type locality is Devonshire, England.〔("Species taxon summary ''ovatum'' Brown, 1827 described in ''Galericulum''" ), accessed 8 March 2011〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Otina ovata」の詳細全文を読む スポンサード リンク
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