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 Cephalaspidea Fischer, 1883
               Suborder Bulloidei
                 1 Superfamily Acteonoidea d'Orbigny, 1843
                 2 Superfamily Bulloidea Gray, 1827
                 3 Superfamily Philinoidea Gray, 1850 (1815)
                 4 Superfamily Diaphanoidea Odhner, 1914 (1857)
                 5 Superfamily Cylindrobulloidea Thiele, 1931
                 6 Superfamily Pyramidelloidea Gray, 1840