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 Helicellidae Ihering, 1909 see Tribe Helicellini Ihering, 1909
               Subfamily Helicellinae Ihering, 1909 see Tribe Helicellini Ihering, 1909
                 01 Genus Helicella Férussac, 1821
                 02 Genus Candidula Kobelt, 1871
                 03 Genus Cernuella Schlüter, 1838
                 04 Genus Cochlicella Férussac, 1821
                 05 Genus Helicopsis Fitzinger, 1833
                 06 Genus Leuchrochroa Vaught, 1989, orth. inval. see Genus Leucochroa Beck, 1837, nom. rej.
                 07 Genus Monacha Fitzinger, 1833
                 08 Genus Monilearia Mousson, 1872
                 09 Genus Paedhoplita Lindholm, 1927
                 10 Genus Trochoidea Brown, 1827
                 11 Genus Xeropicta Monterosato, 1892
                 12 Genus Xerosecta Monterosato, 1892