Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
  Count: -
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
    Count: -
       Order Torpediniformes de Buen, 1926 - electric rays
      Count: -
         1 Family Torpedinidae Henle, 1834 - torpedo electric rays
        Count: [*] 1g3s