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 Bolitaenoidea Chun, 1911 see Suborder Incirrata Grimpe, 1917
             Family Amphitretidae Hoyle, 1886 [monotypic]
               Genus Amphitretus Hoyle, 1885