Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Chordata Bateson, 1885 - chordates
     Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Teleostomi Bonaparte, 1836
               Euteleostomi - bony vertebrates
                 Actinopterygii Woodward, 1891 - ray-finned fishes
                   Neopterygii Regan, 1923
                     1 †Acentrophorus Traquair, 1877, incertae sedis
                     2 †Gebrayelichthys uyenoi Nursall & Capasso, 2004, incertae sedis
                     3 †Macrosemiidae Thiollière, 1858
                     4 †Semionotiformes Aramboug & Bertin, 1958
                     5 Lepisosteidae Cuvier, 1825 - gars
                     6? †Pycnodontiformes Berg, 1937
                     7 Halecomorphi Cope, 1872 see Division Halecomorphi Cope, 1872
                     8? †Aspidorhynchidae Nicholson & Lydekker, 1889
                     9.1 †Pachycormidae Woodward, 1895
                     9.2 Teleostei Müller, 1845 see Infraclass Teleostei Müller, 1845
                     n.0 [Halecostomi Regan, 1923]