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
         1 Suborder †Tuditanomorpha Carroll & Gaskill, 1978