Promenetus umbilicatellus (T.D.A. Cockerell, 1887)
Bulinus umbilicatus G. Mandahl-Barth, 1973
Neoplanorbis umbilicatus B. Walker, 1908
Anomphalodes umbilicatus (FOSSIL) Knight, 1933 †
Anisus umbiliciferus (Kozhov, 1936)
Hippeutis ungeri (FOSSIL) (A.E. Reuss in A.E. Reuss& Meyer, 1849 †)
Ferrissia urdunica (FOSSIL) Alhejoj & K. Bandel,2013 †
Segmentina usta A.A. Gould, 1859
Choanomphalus valvatoides W. Dybowski, 1875
Glyptophysa variabilis (J.E. Gray, 1843)
Marinescugyra varians (FOSSIL) (A. Fuchs, 1870 †)
Laevapex vazi F.N. Santos, 1989
Gyraulus velifer T.N. Annandale, 1918
Gyraulus vermicularis (A.A. Gould, 1847)
Ancylastrum verreauxi J.R. Bourguignat, 1853
Ferrissia verruca (W.H. Benson, 1855)
Planorbis verticilloides (FOSSIL) P.S. Pavlovic, 1931 †
Gyraulus verticillus (Š. Brusina, 1892 )
Physastra vestita C.M. Tapparone-Canefri,1883
Planorbarius vezici (FOSSIL) (Š. Brusina, 1897 †)
Ferrissia vicinus K.H.J. Thiele, 1911
Acrorbis victoriae (E.A. Smith, 1882)
Ferrissia victoriensis B. Walker, 1912
Planorbarius villatoyensis (FOSSIL) (P. Jodot, 1958 †)
Ferrissia viola T.N. Annandale & B. Prashad,1921
Gyraulus virgatus (Ludwig, 1865)
Planorbis vitojensis P. Glöer & V.M. Pešic,2010
Anisus vortex (C. Linnaeus, 1758)
Anisus vorticulus F.H. Troschel, 1834
Gyraulus vrapceanus T.A. Neubauer & al., 2014
Ancylastrum vulcanus B. Walker, 1924
Ferrissia walkeri (H.A. Pilsbry& J.H. Ferriss, 1907)
Gyraulus waterhousei (S. Clessin, 1885)
Ferrissia wittmanni (FOSSIL) W.R. Schlickum, 1964 †
Bulinus wrighti G. Mandahl-Barth, 1965