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Margaritiferidae : ウィキペディア英語版 | Margaritiferidae
Margaritiferidae is a family of medium-sized freshwater mussels, aquatic bivalve mollusks in the order Unionoida. They are known as freshwater pearl mussels, because the interior of the shell of these species has a thick layer of nacre or mother of pearl, and the mussels are thus capable of producing pearls. ==Genera== Genera within the family Margaritiferidae include: * ''Cumberlandia'' Ortmann, 1912 * ''Margaritifera'' Schumacher, 1815 * ''Pseudunio'' Haas, 1910 * ''Ptychorhynchus'' Simpson, 1900 * ''Heudeana'' * ''Margaritanopsis'' * ''Shepmania'' * ''Ctenodesma''
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「Margaritiferidae」の詳細全文を読む
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