vertebrates Cuvier, 1812 - vertebrates Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825 Subclass Lissamphibia Haeckel, 1866 see Infraclass Lissamphibia Haeckel, 1866 Order Urodela Dumeril, 1806 see Order Caudata Scopoli, 1777 1 Suborder Cryptobranchoidea Dunn, 1922 see [unranked] Cryptobranchoidei Noble, 1931