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
         Suborder Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
           Superfamily Littorinoidea Children, 1834
             Family Pomatiasidae Gray, 1852 see Family Pomatiidae Newton, 1891 (1828)
               Subfamily Pomatiasinae Gray, 1852 see Subfamily Pomatiinae Newton, 1891 (1828)
                 01 Genus Pomatias Studer, 1789
                 02 Genus Architea Costa, 1869
                 03 Genus Dissostoma Cossmann, 1888
                 04 Genus Georgia Bourguignat, 1882, nom. illeg.
                 05 Genus Guillainia Crosse, 1885
                 06 Genus Leonia Gray, 1850
                 07 Genus Lithodon Vaught, 1989, orth. inval. see Genus Lithidion Gray, 1850
                 08 Genus Otopoma Gray, 1850
                 09 Genus Tropidophora Troschel, 1847
                 10 Genus Tudorella Fischer, 1885