[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
                         1 Division Ginglymodi Cope, 1871
                         2.1 Order †unnamed see Order Semionotiformes Aramboug & Bertin, 1958
                         2.2.1 Family †Macrosemiidae Thiollière, 1858
                         2.2.2.1 Order †Pycnodontiformes Berg, 1937
                         2.2.2.2 Division Halecostomi Regan, 1923