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 Teuthoidea see Order Teuthida Naef, 1916
                 Suborder Oegopsida d'Orbigny, 1845 see Suborder Oegopsina Orbigny, 1845
                   Family Ctenopterygidae Grimpe, 1922 see Family Chtenopterygidae Grimpe, 1922
                     Genus Ctenopteryx Pfeffer, 1900, nom. illeg. see Genus Chtenopteryx Appellöf, 1890