living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Class Gastropoda Cuvier, 1795 - snails and slugs
             Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
               Order Mesogastropoda Thiele, 1925 - mesogastropods see [unranked] mesogastropods
                 Superfamily Viviparacea see Superfamily Viviparoidea Gray, 1847 (1833)
                   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