Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Subphylum Conchifera Gegenbauer, 1878
             Order Monotocardia
               Suborder Stenoglossa Andersson, 1903
                 Superfamily Volutoidea Rafinesque, 1815
                   1 Family Olividae Latreille, 1825 - olive snails
                   2 Family Vasidae Adams & Adams, 1853 (1840) see Subfamily Vasinae Adams & Adams, 1853 (1840)
                   3 Family Harpidae Bronn, 1849 - harp snails
                   4 Family Volutidae Rafinesque, 1815 - volutes
                   5 Family Cancellariidae Forbes & Hanley, 1851 - nutmeg snails
                   6 Family Marginellidae Fleming, 1828 - marginellas