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 Mesurethra [monotypic]
           Superfamily Clausilioidea Gray, 1855 [monotypic]
             Family Clausiliidae Gray, 1855
               Subfamily Phaedusinae Wagner, 1922
                 Genus Hemiphaedusa Boettger, 1877
                   1 Subgenus Adversaria Lindholm, 1925
                   2 Subgenus Cylinorophaedusa Millard, 1996, orth. inval. see Subgenus Cylindrophaedusa Boettger, 1877
                   3 Subgenus Excussispira Lindholm, 1925
                   4 Subgenus Forminigera Vaught, 1989, orth. inval. see Subgenus Foraminigera Lindholm, 1925
                   5 Subgenus Notoptychia Ehrmann, 1927
                   6 Subgenus Sinigena Lindholm, 1925
                   7 Subgenus Tosaphaedusa Ehrmann, 1929
                   8 Subgenus Tyrannophaedusa Pilsbry, 1900