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''Botelloides chrysalidus'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.〔Rosenberg, G. (2012). ''Botelloides chrysalidus''. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=594502 on 2012-11-23〕 ;Subspecies: * ''Botelloides chrysalidus chrysalidus'' (Chapman & Gabriel, 1914) (synonym: ''Rissoa (Onoba) chrysalidus'' Chapman & Gabriel, 1914) * ''Botelloides chrysalidus kendricki'' Ponder, 1985 ==Description== The height of the shell attains 3.1 mm, its diameter 1.5 mm. The stoutly built and polished shell has a pupiform shape. The four whorls are depressed convex. The spiral and helicoid apex consists of 2½ turns. The shallow sutures are excavated. The circular aperture has a thick lip. There are faint colour bands parallel with and near to the sutures, as seen in some specimens. The surface shows, under a high magnification, fine growth lines. 〔 (Chapman & Gabriel: ''Description of new and rare fossils obtained by deep boring in the Mallee'' part II; Proceedings of the Royal Society of Victoria v. 26, 1914 ) 〕 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「Botelloides chrysalidus」の詳細全文を読む スポンサード リンク
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