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Keywords from Image Description:
Monography of the family Unionid Plate XI Fig. . Unio bactt ti Unio ftr sciaUis Jiaf Plate XI 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 Institution