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 Vitrinidae Fitzinger, 1833
               1 Genus Provitrina Wenz, 1919
               2 Subfamily Vitrininae Fitzinger, 1833 see Family Vitrinidae Fitzinger, 1833
               3 Subfamily Plutoniinae Cockerell, 1893 [monotypic] see Family Vitrinidae Fitzinger, 1833
               4 Subfamily Vitreinae Baker, 1930 see Family Pristilomatidae Cockerell, 1891