[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotes see Domain Eukaryota Chatton, 1925
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
           Phylum Chordata Bateson, 1885 - chordates
             Subphylum Vertebrata Cuvier, 1812 - vertebrates
               Infraphylum Gnathostomata Gegenbaur, 1874 - jawed vertebrates see Superclass Gnathostomata Gegenbaur, 1874
                 Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
                   Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891
                     Infraclass Actinopteri Cope, 1871
                       Superdivision Neopterygii Regan, 1923 see Subclass Neopterygii Regan, 1923
                         Division Halecostomi Regan, 1923
                           Subdivision Teleostei Müller, 1845 see Infraclass Teleostei Müller, 1845
                             Infradivision Elopocephala see Supercohort Teleocephala de Pinna, 1996
                               Cohort Elopomorpha Greenwood et al., 1966
                                 Order Anguilliformes Rafinesque, 1810 - eels