Venustaconcha ellipsiformis (T.A. Conrad, 1836)
Pseudodon ellipticus T.A. Conrad, 1865
Lamprotula elongata Y.Y. Liu, W.Z. Zhang& Y.X. Wang, 1980
Pseudanodonta elongata (J.J.J. Holandre, 1836)
Reticulatus elvae (B. Walker, 1924)
Solenaia emarginata (I. Lea, 1860)
Elliptio errans I. Lea, 1834
Fusconaia escambia W.J. Clench & H. Turner,1956
Coelatura essoensis (M.A. Chaper, 1885)
Lasmigona etowaensis (T.A. Conrad, 1849)
Lanceolaria eucylindrica G.Y. Lin, 1962
Pseudodontopsis euphratica (J.R. Bourguignat, 1852)
Anemina euscaphys (P.M. Heude, 1879)
Pressidens exanthematicus (H.C. Küster, 1861)
Pilsbryoconcha exilis (I. Lea, 1839)
Pilsbryoconcha exilis compressa (E.C. Von Martens, 1860)
Physunio eximius (I. Lea, 1856)
Trapezoideus exolescens (A.A. Gould, 1843)
Trapezoideus exolescens comptus (G.P. Deshayes, 1875)
Trapezoideus exolescens pallegoixi (G.B. Sowerby, 1867)
Cyrtonaias explicata (P.M.A. Morelet, 1849)
Pilsbryoconcha expressa (E.C. Von Martens, 1900)
Unionetta fabagina (G.P. Deshayes& A. Jullien, 1874)
Villosa fabalis (I. Lea, 1831)
Pegias fabula (I. Lea, 1838)
Micronaias fallaciosa (C.T. Simpson, 1914)
Haasodonta fannyae (R.I. Johnson, 1948)
Lampsilis fasciola C.S. Rafinesque, 1820
Ptychobranchus fasciolaris (C.S. Rafinesque, 1820)
Parreysia favidens (W.H. Benson, 1862)
Parreysia feae C.M. Tapparone-Canefri,1889
Parreysia feddeni W. Theobald, 1873
Physunio ferrugineus T.N. Annandale, 1918
Anodontoides ferussacianus (I. Lea, 1834)
Aculamprotula fibrosa (P.M. Heude, 1877)