Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Gnathostomata Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes see Infraclass Elasmobranchii Bonaparte, 1838 Order †Cladoselachida Dean, 1909 [monotypic] see Order Cladoselachiformes 1 Family †Cladoselachidae Dean, 1894