Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Class Amphibia Gray, 1825 [paraphyletic]
           modern amphibian orders
             Order Anura Fischer von Waldheim, 1813
               Family Ceratophrynidae (Tschudi, 1838) see Family Ceratophryidae Tschudi, 1838