Vertebrata Cuvier, 1812 - vertebrates Gnathostomata Teleostomi Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988] Class Amphibia Gray, 1825 [paraphyletic] [Lissamphibia Haeckel, 1866] see Infraclass Lissamphibia Haeckel, 1866