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 Cyclophoracea Gray, 1847 see Superfamily Cyclophoroidea Gray, 1847
                   1 Genus Hainesia Pfeiffer, 1856, incertae sedis
                   2 Genus Acroptychia Crosse & Fischer, 1877, incertae sedis
                   3 Family Cyclophoridae Gray, 1847
                   4 Family Poteriidae Thiele, 1929 see Subfamily Neocyclotinae Kobelt & Möllendorff, 1897
                   5 Family Megalostomatidae see Family Megalomastomidae Blanford, 1864
                   6 Family Maizaniidae Tielecke, 1940
                   7 Family Diplommatinidae Pfeiffer, 1856
                   8 Family Pupinidae Pfeiffer, 1853