Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             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 Urodelomorpha Säve-Söderbergh, 1934 see Order Urodela Dumeril, 1806
               4 Subclass Caeciliomorpha Kuhn, 1968 see Order Gymnophiona Rafinesque, 1814
               5 Subclass Anuromorpha Kuhn, 1959