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
             Subclass Dibranchiata Owen, 1836 see Subclass Coleoidea Bather, 1888
               Order Decabrachia Boettger, 1952
                 Suborder Sepioidei
                   1 Family Spirulidae Rafinesque, 1815
                   2 Family Sepiidae Lamarck, 1809
                   3 Family Idiosepiidae Appellöf, 1898
                   4 Family Sepiolidae Leach, 1817