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 Orthalicidae Martens, 1860
                 Subfamily Bulimulinae Tryon, 1867
                   01 Genus Aspastus Albers, 1850
                   02 Genus Auris Spix, 1827
                   03 Genus Berendtia Crosse & Fischer, 1869
                   04 Genus Cochlorina Jan, 1830
                   05 Genus Diplomorpha Ancey, 1884
                   06 Genus Drymaeus Albers, 1850
                   07 Genus Dryptus Martens, 1860
                   08 Genus Kuschelenia Hylton Scott, 1951
                   09 Genus Lopesianus Weyrauch, 1958
                   10 Genus Neopetraeus Martens, 1885
                   11 Genus Newboldius Pilsbry, 1932
                   12 Genus Otostomus Beck, 1837
                   13 Genus Oxychona Mörch, 1852
                   14 Genus Paeniscutalus Wurtz, 1947
                   15 Genus Placostylus Beck, 1837
                   16 Genus Plecochilus Agassiz, 1847, nom. illeg. see Genus Plekocheilus Guilding, 1827
                   17 Genus Protoglyptus Pilsbry, 1897
                   18 Genus Sphaeroconcha Breure, 1978
                   19 Genus Stenostylus Pilsbry, 1898
                   20 Genus Thaumastus Martens, 1860