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Ptycheulimella : ウィキペディア英語版 | Ptycheulimella
''Ptycheulimella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.〔Rosenberg, G. (2011). ''Ptycheulimella'' Sacco, 1892. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=588485 on 2011-11-29〕 ==Description== The shell has an elongate-conic shape. The axial sculpture consists of obsolete ribs, frequently only shown in the early turns of the teleoconch. Spiral sculpture, if present, consists of microscopic striations only. 〔 G.W. Tryon (1886), Manual of Conchology vol. VIII p. 59 〕
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「Ptycheulimella」の詳細全文を読む
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