[Kingdom] Animalia Linnaeus, 1758 - animals
   Grade Enterozoa
     Grade Cœlomata
       Phylum Vertebrata (Lamarck, 1801)
         Branch Craniata Linnaeus, 1758
           Grade Gnathostoma
             Subgrade Pentadactyla branchiata
               Class Amphibia Gray, 1825
                 Subclass Lissamphibia Haeckel, 1866 see Infraclass Lissamphibia Haeckel, 1866
                   Order Anura Fischer von Waldheim, 1813
                     Genus Dactylethra Cuvier, 1829 see Genus Xenopus Wagler, 1827