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
         (Helicid Sigmurethra)
           Superfamily Helicoidea Rafinesque, 1815
             Family Helminthoglyptidae Pilsbry, 1939
               Subfamily Helminthoglyptinae Pilsbry, 1939
                 01 Genus Helminthoglypta Ancey, 1887
                 02 Genus Dinotropis Pilsbry & Cockerell, 1937
                 03 Genus Epiphragmophora Doering, 1875
                 04 Genus Eremarionta Pilsbry, 1913
                 05 Genus Eremariontoides Miller, 1981
                 06 Genus Gliabates Webb, 1959
                 07 Genus Glyptostoma Bland & Binney, 1873
                 08 Genus Greggelix Miller, 1972
                 09 Genus Humboldtiana Ihering, 1892
                 10 Genus Lysinoe Adams & Adams, 1855
                 11 Genus Micrarionta Ancey, 1880
                 12 Genus Mohavelix Berry, 1943
                 13 Genus Monadenia Pilsbry, 1895
                 14 Genus Plesarionta Pilsbry, 1939
                 15 Genus Polymita Beck, 1837
                 16 Genus Sonorelix Berry, 1943
                 17 Genus Sonorella Pilsbry, 1900
                 18 Genus Tryonigens Pilsbry, 1927
                 19 Genus Xerarionta Pilsbry, 1913