Kingdom [Animalia] Linnaeus, 1758 - animals Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Class Elasmobranchiomorphi see Infraphylum Gnathostomata Gegenbaur, 1874 Subclass Chondrichthyes Huxley, 1880 see Class Chondrichthyes Huxley, 1880 Infraclass Elasmobranchii Bonaparte, 1838 Order †Pleuracanthodii see Superorder Xenacanthimorpha