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
           Superfamily Vanikoroidea Gray, 1840
             1 Family Hipponicidae Troschel, 1861 - horse hoof limpits
             2 Family Vanikoridae Gray, 1840
             3 Family Fossaridae Adams, 1860 see Subfamily Fossarinae Adams, 1860
             4 Family Syrnolopsidae Bourguignat, 1890 see Tribe Syrnolopsini Bourguignat, 1890
             5 Family Caledoniellidae Rosewater, 1969 [monotypic] see Family Vanikoridae Gray, 1840