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 Helixarionoidea Bourguignat, 1883, orth. inval.
             Family Ariophantidae Godwin-Austen, 1888
               Subfamily Girasiinae see Tribe Girasiini Collinge, 1902
                 1 Genus Girasia Gray, 1855
                 2 Genus Austenia Nevill, 1878
                 3 Genus Cerataconta Cockerell, 1930
                 4 Genus Cryptaustenia Cockerell, 1898
                 5 Genus Cryptogirasia Godwin-Austen, 1908
                 6 Genus Dihangia Godwin-Austen, 1916
                 7 Genus Galongia Godwin-Austen, 1916
                 8 Genus Mariaella Gray, 1855