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
             Informal Group Sigmurethra Pilsbry, 1900
               "Limacoid clade"
                 Superfamily Helicoidea Rafinesque, 1815
                   01 Family Helicidae Rafinesque, 1815
                   02 Family Bradybaenidae Pilsbry, 1934 (1898)
                   03 Family Camaenidae Pilsbry, 1895
                   04 Family Cepolidae Ihering, 1909, nom. illeg.
                   05 Family Cochlicellidae Schileyko, 1972
                   06 Family Elonidae Gittenberger, 1977
                   07 Family Epiphragmophoridae Hoffmann, 1928
                   08 Family Halolimnohelicidae Nordsieck, 1986
                   09 Family Helicodontidae Kobelt, 1904
                   10 Family Helminthoglyptidae Pilsbry, 1939
                   11 Family Humboldtianidae Pilsbry, 1939
                   12 Family Hygromiidae Tryon, 1866
                   13 Family Monadeniidae Nordsieck, 1987
                   14 Family Pleurodontidae Ihering, 1912
                   15 Family Polygyridae Pilsbry, 1895
                   16 Family Sphincterochilidae Zilch, 1960 (1910)
                   17 Family Thysanophoridae Pilsbry, 1926
                   18 Family Trissexodontidae Nordsieck, 1987
                   19 Family Xanthonychidae Strebel & Pfeffer, 1879