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Bankivia
''Bankivia'' is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.〔Bouchet, P. (2012). ''Bankivia'' Krauss, 1848. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512310 on 2012-11-23〕 ==Description== The imperforate, elongated, narrow, thin shell has a conical shape. It is slightly pearly. The aperture is small, about one-third the length of shell . The columella is slightly twisted, and subtruncated toward the base. 〔 (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「Bankivia」の詳細全文を読む
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