Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Deuterostomia (deuterostomes) Phylum Chordata (chordates) Craniata (craniates) Subphylum Vertebrata (vertebrates) Superclass Gnathostomata (jawed vertebrates) Euteleostomi (bony vertebrates) Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates) Tetrapoda (tetrapods) Amniota (amniotes) Class Reptilia (turtles, snakes, lizards, and relatives) Class Aves (birds) Subclass Neognathae (neognath birds) Infraclass Neoaves (modern birds) Order Coraciiformes (kingfishers and relatives) Family Bucerotidae (hornbills) Genus Buceros Species Buceros bicornis (great hornbill) Species Buceros hydrocorax (rufous hornbill) Species Buceros rhinoceros (rhinoceros hornbill)
