Keywords: FMIB 38269 Washboard, Quadrula heros (Say), from Mississippi River, upper and middle; Buckhorn, Tritogonia tuberculata (Barnes) from.jpeg check categories 26 August 2015 2 Washboard Quadrula heros Say from Mississippi River upper and middle; Buckhorn Tritogonia tuberculata Barnes from Mississippi River at Bottom Subject Quadrula Tritogonia tuberculata Freshwater mussels Tag Shellfish 1921 Cite book Fresh-water Mussels and Mussel Industries of the United States Coker Robert E Washington DC Government Printing Office 1921 Bulletin of the United States Bureau of Fisheries vol 36 1917-1918 Plate XI Creator Robert Ervin Coker PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 38269 Images from the Freshwater and Marine Image Bank to check Robert Ervin Coker Shellfish |