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 Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Galliformes Temminck, 1820 - fowl
                   Suborder Galli see Order Galliformes Temminck, 1820
                     Family Cracidae Vigors, 1825 - chachalacas, curassows, guans
                       Tribe Penelopini see Subfamily Penelopinae Bonaparte, 1831
                         Genus Oreophasis Gray, 1844
                           1 Oreophasis derbianus Gray, 1844 - horned guan