Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Superclass Pisces Linnaeus, 1758 - fishes
               1 Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
               2 Class †Acanthodii Owen, 1846
               3 Class †Placodermi McCoy, 1848
               4 Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi