vertebrates Cuvier, 1812 - vertebrates Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825 Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758 Order †Microsauria Dawson, 1863 Suborder †Tuditanomorpha Carroll & Gaskill, 1978 Family †Gymnarthridae Case, 1910