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Leiopyrga
''Leiopyrga'' is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.〔Bouchet, P. (2012). ''Leiopyrga'' H. Adams & A. Adams, 1863. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512313 on 2012-11-23〕 ==Description== Thethin, perforate, elongated, narrow shell is somewhat turrited. The whorls are convex, rounded or carinated. The oval aperture is small. The columella is arcuate, not truncated at its base. This genus differs from ''Bankivia'' by its umbilicus.〔(H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia )〕
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「Leiopyrga」の詳細全文を読む
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