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A genus of pearl oysters in the family Pteriidae, class BIVALVIA. Both cultured and natural pearls are obtained from species in the genus. They are distinct from the distantly related, edible true oysters of the family OSTREIDAE.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D049911 · MeSH 2026。
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