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 Hypsogastropoda Ponder & Lindberg, 1997
               Infraorder Littorinimorpha Pchelintsev, 1963
                 01 Superfamily Littorinoidea Children, 1834
                 02 Superfamily Cingulopsoidea Fretter & Patil, 1958
                 03 Superfamily Rissooidea Gray, 1847
                 04 Superfamily Stromboidea Rafinesque, 1815
                 05 Superfamily Vanikoroidea Gray, 1840
                 06 Superfamily Calyptraeoidea Lamarck, 1809
                 07 Superfamily Capuloidea Fleming, 1822
                 08 Superfamily Xenophoroidea Troschel, 1852 (1840)
                 09 Superfamily Vermetoidea Rafinesque, 1815 - worm snails
                 10 Superfamily Cypraeoidea Rafinesque, 1815
                 11 Superfamily Trivioidea F.H. Troschel, 1863 see Superfamily Velutinoidea Gray, 1840
                 12 Superfamily Velutinoidea Gray, 1840
                 13 Superfamily Naticoidea Guilding, 1834
                 14 Superfamily Tonnoidea Suter, 1913 (1825)
                 15 Superfamily Ficoidea Meek, 1864 (1840)
                 16 Superfamily Laubierinoidea Warén & Bouchet, 1990 see Superfamily Tonnoidea Suter, 1913 (1825)
                 17 Superfamily Carinarioidea H.M.D. de Blainville, 1818 see Superfamily Pterotracheoidea Rafinesque, 1814