Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Conchifera Gegenbauer, 1878
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Subclass Orthogastropoda Ponder & Lindberg, 1995
         Superorder Caenogastropoda Cox, 1960
           Order Architaenioglossa Haller, 1892
             Superfamily Ampullarioidea Gray, 1824
               Family Viviparidae Gray, 1847 (1833)
                 1 Subfamily Viviparinae Gray, 1847 (1833)
                 2 Subfamily Bellamyinae Rohrbach, 1937