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 Anuromorpha Kuhn, 1959
                 Order Anura Fischer von Waldheim, 1813
                   Suborder Amphicoela
                     Family Ascaphidae Fejérváry, 1923 see Family Leiopelmatidae Mivart, 1869
                       Genus Ascaphus Stejneger, 1899
                         Ascaphus truei Stejneger, 1899 - tailed frog