Vertebrata Cuvier, 1812 - vertebrates Gnathostomata Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes Superorder Euselachii Hay, 1902 see Infraclass Euselachii Hay, 1902 Order Batoidea see Superorder Batoidea Suborder Rhinobatoidea see Order Rhinobatiformes Müller & Henle, 1837 Family Rhynchobatidae Bleeker, 1865 see Subfamily Rhynchobatinae