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
         Suborder Orthurethra Pilsbry, 1900
           1 Superfamily Achatinelloidea Gulick, 1873 [monotypic]
           2 Superfamily Cochlicopoidea Pilsbry, 1900 (1879)
           3 Superfamily Pupilloidea Turton, 1831
           4 Superfamily Buliminoidea Kobelt, 1880, nom. illeg.