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)
                 Genus Lithodon Vaught, 1989, orth. inval. see Genus Lithidion Gray, 1850