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Odostomia occultidens : ウィキペディア英語版 | Odostomia occultidens
''Odostomia occultidens'', common name the hidden-toothed pyramid-shell, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.〔(Simon Grove, A guide to the seashells and other marine molluscs of Tasmania : Odostomia occultidens )〕 ==Description== The length of the shell measures 1.5 mm. The minute, white shell is translucent, shining, and smooth. The shell contains three whorls plus a prominent heterostrophe pullus. The adult whorls are rounded, regularly increasing. The aperture is ovately-pyriform. The columella is arched, thin, with a minute plication, rather above the centre, which is invisible from a front view.〔( W. L. May (1861-1925) (1915). ''Additions to the Tasmanian Marine Mollusca, with Descriptions of New Species'' )〕
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「Odostomia occultidens」の詳細全文を読む
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