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Mollusk quickly burrows in the sand Black Sea (Donax trunculus) the abrupt wedge shell or wedge clam is a bivalve species in the family Donacidae.

视  频 ID：  1034538317
版      权：  Kovtun Oleg
视频长度：  0:56
横纵比率：  16:9
所属分类：  动物 自然 
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