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
         (Helicid Sigmurethra)
           Superfamily Vitrinoidea Fitzinger, 1833 see Superfamily Limacoidea Batsch, 1789
             Family Zonitidae Mörch, 1864
               1 Genus Archaegopis Wenz, 1914
               2 Genus Archaeoxesta Kobelt, 1909
               3 Genus Grandipatula Cossmann, 1889
               4 Genus Palaeoxestina Wenz, 1919
               5 Genus Shaerozonites Millard, 1996, orth. inval. see Genus Sphaerozonites Pfeffer, 1930
               6 Subfamily Zonitinae Mörch, 1864 see Family Zonitidae Mörch, 1864
               7 Subfamily Godwiniinae Cooke, 1921 [monotypic]