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
             1 Family Pupillidae Turton, 1831
             2 Family Valloniidae Morse, 1864
             3 Family Vertiginidae Fitzinger, 1833
             4 Family Orculidae Pilsbry, 1918
             5 Family Pleurodiscidae Wenz, 1923 [monotypic]
             6 Family Strobilopsidae Wenz, 1915
             7 Family Pyramidulidae Kennard & Woodward, 1914 [monotypic]
             8 Family Chondrinidae Steenberg, 1925
             9 Genus Gittenbergia Giusti, Castagnolo & Manganelli, 1985