Hiscerus undulatus (FOSSIL) (Gorjanovic-Kramberger,1901 †)
Zagrabica unica (FOSSIL) Macale?, 2002 †
Lymnaea urceolata (FOSSIL) A. Braun in Walchner,1851 †
Lymnaea ussuriensis N.D. Kruglov& Y.I. Starobogatov, 1989
Stagnicola utahensis R.E. Call, 1884
Aenigmomphiscola uvalievae N.D. Kruglov& Y.I. Starobogatov, 1981
Walhiana vahlii (H.P.C. Møller, 1842)
Galba vancouverensis F.C. Baker, 1939
Velutinopsis velutina (FOSSIL) (G.P. Deshayes, 1838 †)
Stagnicola ventricosella (W. Dybowski, 1913)
Bakerilymnaea viator (A.V.M.D. D'Orbigny,1835)
Lymnaea vidali (FOSSIL) Hermite, 1879 †
Lymnaea viridis J.R.C. Quoy & J.P. Gaimard,1833
Lymnaea volutata A.A. Gould
Stagnicola walkeriana F.C. Baker, 1926
Lymnaea weberi (FOSSIL) Pohlig, 1883 †
Stagnicola woodruffi F.C. Baker, 1901
Galba yunnanensis (FOSSIL) Pan, 1977 †
Lymnaea zarenkovi N.D. Kruglov& Y.I. Starobogatov, 1989
Lymnaea zazurnensis A. Mozley, 1934
Stagnicola zebrella (W. Dybowski, 1913)
Radix zelli (FOSSIL) (M. Hörnes, 1856 †)
Lymnaea zlatarskii (FOSSIL) F. Toula, 1892 †