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
             1 Suborder Discopoda Fischer, 1884
             2 Suborder Murchisoniina Cox & Knight, 1960 see Superfamily Murchisonioidea Koken, 1896
             3 Suborder Hypsogastropoda Ponder & Lindberg, 1997