Keywords: FMIB 38259 Bullhead, Pleurobema aesopus (Green) from Wabash River, top; Dromedary mussel, Dromus dromas (Lea), from Cumberland River.jpeg check categories 26 August 2015 5 Bullhead Pleurobema aesopus Green from Wabash River top; Dromedary mussel Dromus dromas Lea from Cumberland River middle pair; Fan-shell Cyprogenia irrorala Lea from Cumberland River lower pair Subject Pleurobema Dromus Cyprogenia 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 XX Creator Robert Ervin Coker PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 38259 Images from the Freshwater and Marine Image Bank to check Robert Ervin Coker Pleurobema Dromus Cyprogenia Shellfish |