Keywords: FMIB 38323 Elephant's ear, Unio crassidens (Lamarck), from Mississippi River, upper pair; Spike, Unio gibbosus (Barnes), from Mississippi.jpeg check categories 26 August 2015 3 Elephant's ear Unio crassidens Lamarck from Mississippi River upper pair; Spike Unio gibbosus Barnes from Mississippi River lower pair Subject Unio 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 XXIII Creator Robert Ervin Coker PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 38323 Images from the Freshwater and Marine Image Bank to check Robert Ervin Coker Unio Shellfish |