Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Cephalopoda Cuvier, 1795 - cephalopods
       Subclass Coleoidea Bather, 1888
         Order Sepioida - cuttlefish
           Genus Rossia Owen, 1834
           Genus Sepia Linnaeus, 1758
           Genus Spirula Lamarck, 1799