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Polemicella
''Polemicella'' is a small genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Odostomiidae. ==Shell description== The original description by Laseron (1959) (in French) states that the genus was introduced for forms of the near ''Pyrgulina polemica'': short shell with graduated, streamlined or angled whorls on the periphery. It is sculpted with axial ribs and with a single spiral on periphery. There is sometimes a spiral towards the summit of the whorls. ''Pyrgulina mellvilli'' is also a representative typical of this genus.
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「Polemicella」の詳細全文を読む
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