vertebrates Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
   Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
     1 Subclass †Lepospondyli Zittel, 1888 see Superorder Lepospondyli Zittel, 1887
     2 Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
     3 Subclass Lissamphibia Haeckel, 1866