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Keywords from Image Description:
Monography of the family Unionid Plate XIII Fig. . ' Unio coco cne us Mil dre tk ctitillus Plate XIII Fig Illustration biodiversitylibrary org title Conrad NameFound Unio coco NameConfirmed Unio EOLID NameBankID Biodiversity Heritage Library Monography of the family Unionid Mollusks North America Unionidae SIL Smithsonian