Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
Count: -
   Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
  Count: 2o;1g; †4o;10g
     Subclass Holocephali Bonaparte, 1832
    Count: 1o; †2g
       1 Order Chimaerida see Order Chimaeriformes Obruchev, 1953
      Count: †2g