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
         (Achatinid Sigmurethra)
           Suborder Sigmurethra Pilsbry, 1900 see Group Sigmurethra Pilsbry, 1900
             Superfamily Orthalicoidea Martens, 1860
               Family Odontostomidae Pilsbry & Vanatta, 1898 see Tribe Odontostomini Pilsbry & Vanatta, 1898
                 01 Genus Odontostomus Beck, 1837
                 02 Genus Anctus Martens, 1860
                 03 Genus Anostoma Fischer von Waldheim, 1807
                 04 Genus Clessinia Doering, 1875
                 05 Genus Cyclodontina Beck, 1837
                 06 Genus Hyperaulax Pilsbry, 1897
                 07 Genus Plagiodontes Doering, 1877
                 08 Genus Pilsbrylia Hylton Scott, 1952
                 09 Genus Spixia Pilsbry & Vanatta, 1898
                 10 Genus Tomigerus Spix, 1827