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
                 Superfamily Philinoidea Gray, 1850 (1815)
                   1 Family Scaphandridae Sars, 1878 see Family Cylichnidae Adams & Adams, 1854
                   2 Family Philinidae Gray, 1850 (1815)
                   3 Family Aglajidae Pilsbry, 1895 (1847)
                   4 Family Gasteropteridae see Family Gastropteridae Swainson, 1840