Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
  Count: -
     Pisces
    Count: [*] 5c58o469f; †4c41o87f
       Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
      Count: -
         Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes
        Count: [*] 12o42f; †6o2f
           Order Carcharhiniformes Compagno, 1973 - ground sharks
          Count: -
           Order †Cladodontiformes
          Count: -
           Order †Cladoselachiformes
          Count: -
           Order †Ctenacanthiformes Glikman, 1964
          Count: -
           Order Heterodontiformes Compagno, 1973 - bullhead sharks
          Count: -
           Order Hexanchiformes Compagno, 1973 - six-gill sharks
          Count: -
           Order †Hybodontiformes (Patterson, 1966)
          Count: -
           Order Lamniformes Berg, 1958 - mackerel sharks
          Count: -
           Order †Mongolepidida Karatajute-Talimaa, 1998
          Count: -
           Order Myliobatiformes Compagno, 1973 - stingrays
          Count: [*] 8f; †1f
           Order Orectolobiformes Compagno, 1973 - carpet sharks
          Count: -
           Order Pristiformes - sawfishes
          Count: -
           Order Pristiophoriformes Compagno, 1973 - saw sharks
          Count: -
           Order Rajiformes Berg, 1940 - skates
          Count: -
           Order Squaliformes Compagno, 1973 - dogfish sharks
          Count: -
           Order Squatiniformes Buen, 1926 - angel sharks
          Count: -
           Order Torpediniformes - electric rays
          Count: -
           Order †Xenacanthiformes Berg, 1955
          Count: -