Unio utii (FOSSIL) Fleming † UK, Scotland
Trigonodon vandervlerki (FOSSIL) C.H. Oostingh, 1935 †
Haasodonta vanheurni D.F. McMichael& I.D. Hiscock, 1958 New Guinea, Merauke River
Villosa vanuxemensis (I. Lea, 1838) Tennessee50 mm
Alasmidonta varicosa (J.B.P.A. Lamarck, 1819) Virginia, Prince William County
Villosa vaughaniana (I. Lea, 1838) South Carolina, Camden
Hyriopsis velthuizeni (M.M. Schepman, 1895) Malaysia, Borneo
Tritogonia verrucosa (C.S. Rafinesque, 1820) Tennessee117,3 mm
Inversiunio verrucosus T. Kondo, H. Yang& S.H. Choi, 2007 South Korea, Seomjin River47,3 mm
Pleurobema verum I. Lea, 1861 Alabama
Anodonta vescoiana J.R. Bourguignat, 1856 Iraq, Tigris and Euphrates basin
Villosa vibex (T.A. Conrad, 1834) Florida44 mm
Villosa villosa (B.H. Wright, 1898) Florida
Lampsilis virescens I. Lea, 1858 Alabama, Tuscumbia
Alasmidonta viridis C.S. Rafinesque, 1820 Alabama
Pseudodon vondembuschianus (I. Lea, 1840) Thailand125 mm
Elliptio waccamawensis I. Lea, 1863 North Carolina, Waccamaw Lake48,3 mm
Medionidus walkeri (B.H. Wright, 1897) Florida, Suwannee River
Pseudodon walpolei (S.C.T. Hanley, 1871) Borneo, Sarawak
Elliptio waltoni B.H. Wright, 1888 Florida
Palindonaia wateleti (FOSSIL) (G.P. Deshayes, 1860 †) France, Paris Basin
Leguminaia wheatleyi (I. Lea, 1862) Iraq
Arkansia wheeleri A.E. Ortmann & B. Walker,1912 Arkansas, Clark County
Sinanodonta woodiana (I. Lea, 1834) Italy, Emilia261 mm
Sinanodonta woodiana calypigos (W. Kobelt, 1879) Japan, Lake Biwa88,2 mm
Sinanodonta woodiana elliptica (P.M. Heude, 1878) Philippines, Cebu92 mm
Sinanodonta woodiana pacifica (P.M. Heude) China, Poyang Lake109,5 mm
Sinanodonta woodiana piscatorum (P.M. Heude, 1878) China, Hubei Province124 mm
Alasmidonta wrightiana B. Walker, 1901 Florida
Unionelloides yajiangensis (FOSSIL) (H.X. Liu, 1984 †)
Inversiunio yanagawensis (T. Kondo, 1982) Japan, Lake Biwa50,9 mm
Lanceolaria yueyingae J. He & Z. Zhuang, 2013
Nephronaias yzabalensis (J.C.H. Crosse& P.H. Fischer, 1892) Guatemala
Aculamprotula zonata (P.M. Heude, 1883) Dongting lake, Hunan, China52 mm