Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Cephalopoda Cuvier, 1795 - cephalopods
       Subclass Coleoidea Bather, 1888
         Order Teuthoida - squids
           Genus Architeuthis Steenstrup, 1857 - giant squid