Keywords: FMIB 39845 Typical Unio of the Mississippi Valley type, showing exterior of right valve This is a full-grown shell, but not an old one, as.jpeg check categories 27 August 2015 2 Typical Unio of the Mississippi Valley type showing exterior of right valve This is a full-grown shell but not an old one as the dark epidermis is but little eroded at the beaks Subject Freshwater mussels Tag Shellfish 1898 Cite book Fresh-Water Pearls and Pearl Fisheries of the United States Kunz George F Washington DC Government Printing Office 1898 Bulletin of the United States Fish Commission vol 17 1897 Plate VI-1 Creator George Frederick Kunz PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 39845 Images from the Freshwater and Marine Image Bank to check George Frederick Kunz Shellfish |