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 Procoela
                     Family Bufonidae Gray, 1825
                       Genus Bufo Laurenti, 1768, nom. illeg. see Genus Bufo Garsault, 1764
                         Bufo americanus Holbrook, 1836 - American toad see Anaxyrus americanus (Holbrook, 1836)
                         Bufo boreas Baird & Girard, 1852 - western toad see Anaxyrus boreas (Baird & Girard, 1852)
                         Bufo marinus (Linnaeus, 1758) - giant toad see Rhinella marina (Linnaeus, 1758)