Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Class Osteichthyes Huxley, 1880 [paraphyletic] - bony fishes see [unranked] Euteleostomi
         Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891
           Infraclass Chondrostei Müller, 1844 see Subclass Chondrostei Müller, 1844
             Order †Palaeonisciformes Jarvik, 1961
               Suborder †Platysomoidei Moy-Thomas, 1939 see Order Platysomiformes
                 1 Family †Platysomidae Young, 1866
                 2 Family †Chirodontidae
                 3 Family †Bobastraniidae