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
             Family Alloposidae Verrill, 1881 [monotypic]
               1 Genus Alloposus Verrill, 1880 see Genus Haliphron Steenstrup, 1861