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Keywords from Image Description:
Monography of the family Unionid Plate III Fig. . ' lUnio clava Lam Unio cteetsus Lea Plate III Fig Illustration biodiversitylibrary org title Conrad NameFound Unio NameConfirmed Unio EOLID NameBankID Biodiversity Heritage Library Monography of the family Unionid Mollusks North America Unionidae SIL Smithsonian