Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Heterobranchia Burmeister, 1837 see Superorder Heterobranchia Burmeister, 1837
       Informal Group Pulmonata Cuvier, 1814 see Order Pulmonata Cuvier, 1814
         Clade Eupulmonata Haszprunar & Huber, 1990 see Order Eupulmonata Haszprunar & Huber, 1990
           Clade Stylommatophora Schmidt, 1855 see Suborder Stylommatophora Schmidt, 1855
             Subclade Orthurethra Pilsbry, 1900
               Superfamily Pupilloidea Turton, 1831
                 01 Family Pupillidae Turton, 1831
                 02 Family Argnidae Hudec, 1965
                 03 Family Chondrinidae Steenberg, 1925
                 04 Family †Cylindrellinidae Zilch, 1959
                 05 Family Lauriidae Steenberg, 1925
                 06 Family Orculidae Pilsbry, 1918
                 07 Family Pleurodiscidae Wenz, 1923
                 08 Family Pyramidulidae Kennard & Woodward, 1914
                 09 Family Spelaeoconchidae Wagner, 1928
                 10 Family Spelaeodiscidae Steenberg, 1925
                 11 Family Strobilopsidae Wenz, 1915
                 12 Family Valloniidae Morse, 1864
                 13 Family Vertiginidae Fitzinger, 1833