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
               Subclass Urodelomorpha Säve-Söderbergh, 1934 see Order Urodela Dumeril, 1806
                 Order Caudata Scopoli, 1777
                   1 Suborder Cryptobranchoidea Dunn, 1922 see [unranked] Cryptobranchoidei Noble, 1931
                   2 Suborder Sirenoidea Goodrich, 1930 see Order Caudata Scopoli, 1777
                   3 Suborder Salamandroidea Sarasin, 1890 see Order Caudata Scopoli, 1777