Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Cephalopoda Cuvier, 1795 - cephalopods
     Subclass Coleoida Bather, 1888 see Subclass Coleoidea Bather, 1888
       Order Octopoda Leach, 1817 - octopuses
         Suborder Incirrata Grimpe, 1917 see Suborder Incirrina Grimpe, 1916
           Superfamily Argonautoidea Cantraine, 1841 see Suborder Incirrata Grimpe, 1917
             1 Family Argonautidae Lamarck, 1809 [monotypic]
             2 Family Alloposidae Verrill, 1881 [monotypic]
             3 Family Ocythoidae Gray, 1849 [monotypic]
             4 Family Tremoctopodidae Tryon, 1879 [monotypic]