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)
             1 Subfamily Viviparinae Gray, 1847 (1833)
             2 Subfamily Bellamyinae Rohrbach, 1937
             3 Subfamily Campelominae Thiele, 1929, orth. inval. see Subfamily Campelomatinae Thiele, 1929