Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
       Order Torpediniformes - electric rays
         Family Torpedinidae Henle, 1834 - electric rays
           Genus Torpedo Duméril, 1806