Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Count: -
   Amphibia Gray 1825 [Gauthier, Kluge & Rowe 1988] - amphibians see Class Amphibia Gray, 1825
  Count: [g] 54f;482g;968s
     Batrachia Latreille, 1800
    Count: [g] 51f;449g;968s
       Caudata Fischer von Waldheim, 1813 see Order Caudata Scopoli, 1777
      Count: [g] 9f;60g;6s
         Diadectosalamandroidei D.R. Frost et al., 2006
        Count: [g] 7f;51g;6s
           Hydatinosalamandroidei D.R. Frost et al., 2006
          Count: [g] 4f;24g
             1 Perennibranchia Latreille, 1825
            Count: [g] 2f;4g
             2 Treptobranchia D.R. Frost et al., 2006
            Count: [g] 2f;20g