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
                 01 Genus Phaedusa Adams & Adams, 1855
                 02 Genus Caspiophaedusa Lindholm, 1924
                 03 Genus Euphaedusa Boettger, 1877
                 04 Genus Hemiphaedusa Boettger, 1877
                 05 Genus Oospira Blanford, 1872
                 06 Genus Oospiroides Wenz, 1920
                 07 Genus Palaeophaedusa Wenz, 1920
                 08 Genus Paraphaedusa Boettger, 1899
                 09 Genus Proalbinaria Boettger, 1895
                 10 Genus Reinia Kobelt, 1876
                 11 Genus Stereophaedusa Boettger, 1877