Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Conchifera Gegenbauer, 1878
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Subclass Orthogastropoda Ponder & Lindberg, 1995
         Superorder Caenogastropoda Cox, 1960
           Order Sorbeoconcha Ponder & Lindberg, 1997
             Suborder Discopoda Fischer, 1884
               Superfamily Cerithioidea Fleming, 1822
                 01 Family Batillariidae Thiele, 1929
                 02 Family Cerithiidae Fleming, 1822 - ceriths
                 03 Family Dialidae Kay, 1979
                 04 Family Diastomatidae Cossmann, 1894
                 05 Family Litiopidae Gray, 1847
                 06 Family Melanopsidae Adams & Adams, 1854
                 07 Family Modulidae Fischer, 1884
                 08 Family Pachychilidae Fischer & Crosse, 1892
                 09 Family Planaxidae Gray, 1850
                 10 Family Potamididae Adams & Adams, 1854 - potamids
                 11 Family Scaliolidae Jousseaume, 1912
                 12 Family Siliquariidae Anton, 1838
                 13 Family Thiaridae Gill, 1871 (1823)
                 14 Family Turritellidae Lovén, 1847 - turret snails