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Keywords from Image Description:
Monography of the family Unionid Plate LIII . Unio Udiradiatus tan Plate LIII Illustration biodiversitylibrary org title Conrad NameFound Udiradiatus NameFound Unio NameConfirmed Unio EOLID NameBankID Biodiversity Heritage Library Monography of the family Unionid Mollusks North America Unionidae SIL Smithsonian Institution