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 Streptaxoidea Gray, 1860 [monotypic]
               Family Streptaxidae Gray, 1860
                 Subfamily Streptaxinae Gray, 1860
                   01 Genus Streptaxis Gray, 1837
                   02 Genus Augustula Thiele, 1931
                   03 Genus Corena Adams, 1870
                   04 Genus Discartemon Pfeiffer, 1856
                   05 Genus Edentulina Pfeiffer, 1856
                   06 Genus Eustreptaxis Pfeiffer, 1878
                   07 Genus Glyptoconus Möllendorff, 1894
                   08 Genus Gonaxis Taylor, 1877
                   09 Genus Haploptychius Kobelt, 1905
                   10 Genus Imperturbatia Martens, 1898
                   11 Genus Indoartemon Forcart, 1946
                   12 Genus Marconia Bourguignat, 1889
                   13 Genus Martinella Jousseaume, 1887
                   14 Genus Micrartemon Möllendorff, 1890
                   15 Genus Odontartemon Pfeiffer, 1856
                   16 Genus Oophana Ancey, 1884
                   17 Genus Perrottetia Kobelt, 1905
                   18 Genus Platycochlium Laidlaw, 1950
                   19 Genus Rectartemon Baker, 1925
                   20 Genus Sairostoma Haas, 1938
                   21 Genus Stemmatopsis Mabille, 1887
                   22 Genus Streptartemon Kobelt, 1905
                   23 Genus Tayloria Bourguignat, 1889
                   24 Genus Tonkinia Mabille, 1887
                   25 Genus Afristreptaxis Thiele, 1932