living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Class Cephalopoda Cuvier, 1795 - cephalopods
             Subclass Coleoidea Bather, 1888
               Order Octopoda Leach, 1817 - octopuses
                 Suborder Incirrata Grimpe, 1917 see Suborder Incirrina Grimpe, 1916
                   Family Octopodidae Rafinesque, 1815
                     1 Subfamily Octopodinae Rafinesque, 1815
                     2 Subfamily Ozaeninae see Subfamily Eledoninae Grimpe, 1921a
                     3 Subfamily Bathypolypodinae Robson, 1928