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
           Superfamily Pupilloidea Turton, 1831
             Family Vertiginidae Fitzinger, 1833
               Subfamily Aulacospirinae Zilch, 1959 see Subfamily Gastrocoptinae Pilsbry, 1918
                 Genus Aulacospira Möllendorff, 1890
                   1 Subgenus Pseudostreptaxis Möllendorff, 1890