Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Suborder Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
           01 Superfamily Littorinoidea Children, 1834
           02 Superfamily Stromboidea Rafinesque, 1815
           03 Superfamily Vanikoroidea Gray, 1840
           04 Superfamily Calyptraeoidea Lamarck, 1809
           05 Superfamily Scaphoconchoidea Bandel, 1993, nom. inval. [monotypic]
           06 Superfamily Xenophoroidea Troschel, 1852 (1840) [monotypic]
           07 Superfamily Lamellarioidea d'Orbigny, 1842 [monotypic]
           08 Superfamily Velutinoidea Gray, 1840 [monotypic]
           09 Superfamily Cypraeoidea Rafinesque, 1815 [monotypic]
           10 Superfamily Trivioidea F.H. Troschel, 1863 see Superfamily Velutinoidea Gray, 1840
           11 Superfamily Naticoidea Guilding, 1834
           12 Superfamily Cassoidea Latreille, 1825