Unio utii (FOSSIL) Fleming †
Trigonodon vandervlerki (FOSSIL) C.H. Oostingh, 1935 †
Haasodonta vanheurni D.F. McMichael& I.D. Hiscock, 1958
Villosa vanuxemensis (I. Lea, 1838)
Alasmidonta varicosa (J.B.P.A. Lamarck, 1819)
Villosa vaughaniana (I. Lea, 1838)
Hyriopsis velthuizeni (M.M. Schepman, 1895)
Tritogonia verrucosa (C.S. Rafinesque, 1820)
Inversiunio verrucosus T. Kondo, H. Yang& S.H. Choi, 2007
Pleurobema verum I. Lea, 1861
Anodonta vescoiana J.R. Bourguignat, 1856
Villosa vibex (T.A. Conrad, 1834)
Villosa villosa (B.H. Wright, 1898)
Lampsilis virescens I. Lea, 1858
Alasmidonta viridis C.S. Rafinesque, 1820
Pseudodon vondembuschianus (I. Lea, 1840)
Elliptio waccamawensis I. Lea, 1863
Medionidus walkeri (B.H. Wright, 1897)
Pseudodon walpolei (S.C.T. Hanley, 1871)
Elliptio waltoni B.H. Wright, 1888
Palindonaia wateleti (FOSSIL) (G.P. Deshayes, 1860 †)
Leguminaia wheatleyi (I. Lea, 1862)
Arkansia wheeleri A.E. Ortmann & B. Walker,1912
Sinanodonta woodiana (I. Lea, 1834)
Sinanodonta woodiana calypigos (W. Kobelt, 1879)
Sinanodonta woodiana elliptica (P.M. Heude, 1878)
Sinanodonta woodiana pacifica (P.M. Heude)
Sinanodonta woodiana piscatorum (P.M. Heude, 1878)
Alasmidonta wrightiana B. Walker, 1901
Unionelloides yajiangensis (FOSSIL) (H.X. Liu, 1984 †)
Inversiunio yanagawensis (T. Kondo, 1982)
Lanceolaria yueyingae J. He & Z. Zhuang, 2013
Nephronaias yzabalensis (J.C.H. Crosse& P.H. Fischer, 1892)
Aculamprotula zonata (P.M. Heude, 1883)