Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Superclass Pisces Linnaeus, 1758 - fishes Chondrichthyes Huxley, 1880 - cartilaginous fishes Family Myliobatidae Bonaparte, 1835 1 Genus Rhinoptera Hasselt, 1824 2 Genus Aetobatus de Blainville, 1816