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 Clausiliinae Gray, 1855
                 01 Genus Clausilia Draparnaud, 1805
                 02 Genus Erjavecia Brusina, 1870
                 03 Genus Fusulus Fitzinger, 1833
                 04 Genus Graciliaria Bielz, 1867
                 05 Genus Julica Nordsieck, 1963
                 06 Genus Macrogastra Hartmann, 1841
                 07 Genus Micridyla Nordsieck, 1973
                 08 Genus Neostyriaca Wagner, 1920
                 09 Genus Pseudofusulus Nordsieck, 1977
                 10 Genus Ruthenica Lindholm, 1924