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 Helixarionoidea Bourguignat, 1883, orth. inval.
             Family Euconulidae Baker, 1928
               01 Genus Euconulus Reinhardt, 1883
               02 Genus Afroconulus van Mol & van Bruggen, 1971
               03 Genus Cancelloconus Rensch, 1932
               04 Genus Coneuplecta Möllendorff, 1893
               05 Genus Discoconulus Reinhardt, 1883
               06 Genus Dryachloa Thompson & Lee, 1980
               07 Genus Eurychlamys Godwin-Austen, 1899
               08 Genus Guppya Mörch, 1867
               09 Genus Habroconus Fischer & Crosse, 1872
               10 Genus Kororia Baker, 1941
               11 Genus Luchuconulus Pilsbry, 1928
               12 Genus Macroceras Semper, 1870
               13 Genus Palaua Baker, 1941
               14 Genus Velifera Binney, 1879