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Aplexa rivalis : ウィキペディア英語版 | Aplexa rivalis
''Aplexa rivalis'' is a species of small air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Physidae, a family which are sometimes known as the bladder snails. ==Description== ''Rivalis Aplexa'' has a thin shell levorotatory, featuring a large oval opening with parietal callus lip sharp and wide. The tentacles are filiform and foot is very long in the back. Ovigerous masses are constituted by transparent oval eggs variable number embedded in a gelatinous mass.〔Martínez E, Rafael y Miranda A, Rafael E. 1968. Aspectos de la reproducción en moluscos pulmonados del área metropolitana de Caracas. En: Estudio de Caracas. Ecología vegetal - fauna Vol:II pp:123=165. Universidad Central de Venezuela. Caracas-Venezuela.〕
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「Aplexa rivalis」の詳細全文を読む
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