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Macrarene diegensis : ウィキペディア英語版 | Macrarene diegensis
''Macrarene diegensis'' is a fossil species of small sea snail, a marine gastropod mollusk in the family Liotiidae.〔(McLean New species of recent and fossil West American aspidobranch gastropods; The Veliger v.7 # 2(1964-1965) )〕 ==Description== The height of the shell attains 20 mm, its diameter 25 mm. The narrowly umbilicated shell contains 4 whorls with distinct sutures and a projecting peripheral keel. The oblique aperture is circular. Its color is chalky white. This fossil species shows some similarities with ''Macrarene coronadoensis'' and ''Macrarene californica''.〔
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「Macrarene diegensis」の詳細全文を読む
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