Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Pisces Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes Order Torpediniformes - electric rays Family Narkidae Fowler, 1934 see Subfamily Narkinae Family Torpedinidae Henle, 1834 - electric rays