Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Divasibranchia Minichev & Starobogatov, 1975
       Order Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
         (Achatinid Sigmurethra)
           Suborder Sigmurethra Pilsbry, 1900 see Group Sigmurethra Pilsbry, 1900
             Superfamily Punctoidea Morse, 1864
               Family Charopidae Hutton, 1884
                 1 Subfamily Charopinae Hutton, 1884
                 2 Subfamily Trukcharopinae Solem, 1983
                 3 Subfamily Semperdoninae Solem, 1983
                 4 Subfamily Amphidoxinae Thiele, 1931 see Subfamily Charopinae Hutton, 1884
                 5 Subfamily Rotadiscinae Baker, 1927 [monotypic]