Viviparus mweruensis E.A. Smith, 1893
Margarya nanningensis (FOSSIL) Ying, Fürsich& D.H. Schneider, 2013 †
Viviparus nataliae (FOSSIL) Mikhailovsky, 1913 †
Taia naticoides (W. Theobald, 1865)
Viviparus neumayri (FOSSIL) Š. Brusina, 1874 †
Viviparus neustruevi (FOSSIL) (Pavlov, 1925 †)
Sinotaia nicopolis (FOSSIL) Datsenko, 2001 †
Viviparus nodosocostatus (FOSSIL) Halaváts, 1887 †
Viviparus nolani G.W. Tryon, 1870
Paludina normalis (FOSSIL) Hislop, 1859 †
Viviparus nothus (FOSSIL) Š. Brusina, 1874 †
Viviparus novorossicus (FOSSIL) Sinzov, 1896 †
Viviparus novskaensis (FOSSIL) Penecke, 1884 †
Lioplax occidentalis H.A. Pilsbry, 1935
Viviparus oncophorae (FOSSIL) Rzehak, 1893 †
Viviparus oncophorus (FOSSIL) Š. Brusina, 1874 †
Viviparus onogoensis (FOSSIL) T. Kobayashi & M. Suzuki,1943 †
Lioplacodes orientalis (FOSSIL) Yu, 1974 †
Kosovia ornata (FOSSIL) (P.S. Pavlovic, 1931 †)
Paludina ornata (FOSSIL) B. Phillips, 1871 †
Viviparus ornatus (FOSSIL) M. von Neumayr in M. von Neumayr& C.R.C. Paul, 1875 †
Viviparus ovidii (FOSSIL) V.V. Bogachev, 1961 †
Viviparus ovidiiformis (FOSSIL) (Datsenko in Gozhik& Datsenko, 2007 †)
Viviparus ovulum (FOSSIL) M. von Neumayr in M. von Neumayr& C.R.C. Paul, 1875 †
Rivularia ovum P.M. Heude, 1890
Viviparus oxytropis W.H. Benson, 1836
Paludina oxytropoides P.M. Heude, 1889
Amuropaludina pachya (J.R. Bourguignat, 1860)
Viviparus pachystoma (FOSSIL) (C.L.F. von Sandberger,1859 †)
Bellamya pagodiformis (E.A. Smith, 1883)
Viviparus pannonicus (FOSSIL) M. von Neumayr in M. von Neumayr& C.R.C. Paul, 1875 †
Viviparus pantanellii (FOSSIL) W.A. Wenz, 1919 †
Viviparus papaianopoli (FOSSIL) Lubenescu & Zazuleac,1985 †
Sinotaia papillapicula (H.X. Liu,Zhang & Wang, 1982)
Angulyagra partelloi (P. Bartsch, 1907)