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 Coraciiformes Forbes, 1884 - rollerlike birds
                   Family Bucerotidae Vigors - hornbills
                     Genus Buceros Linnaeus, 1758
                       Buceros bicornis Linnaeus, 1758 - great hornbill
                         1 Buceros bicornis bicornisᵀ Linnaeus, 1758
                         2 Buceros bicornis homrai Hodgson, 1832