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Acroloxus lacustris : ウィキペディア英語版 | Acroloxus lacustris
''Acroloxus lacustris'', or the lake limpet, is a small freshwater limpet or snail, a species of aquatic gastropod mollusk in the family Acroloxidae. ==Description== The 4-7 mm. (7 mm long, 3 mm wide and 2 mm high) shell is laterally compressed elongate and limpet-like (no whorls and cone or hat shaped) with a sharp apex twisted to the left The colour is yellowish-grey to brown.The dimensions may vary depending on the substrate surface. On thin plant stems the shells are narrow, and more parallel-sided on leaves and stones they are rather wide oval.
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「Acroloxus lacustris」の詳細全文を読む
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