Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Superfamily Ampullarioidea Gray, 1824
           Family Viviparidae Gray, 1847 (1833)
             Subfamily Viviparinae Gray, 1847 (1833)
               1 Genus Viviparus Montfort, 1810
               2 Genus Margarya Nevill, 1877
               3 Genus Rivularia Heude, 1890
               4 Genus Taia Annandale, 1918
               5 Genus Tulotoma Haldeman, 1840