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 Tockus Species Tockus alboterminatus (crowned hornbill) Species Tockus bradfieldi (Bradfield's hornbill) Species Tockus camurus (red-billed dwarf hornbill) Species Tockus deckeni (Von der Decken's hornbill) Species Tockus erythrorhynchus (red-billed hornbill) Species Tockus fasciatus (African pied hornbill) Species Tockus flavirostris (eastern yellow-billed hornbill) Species Tockus hartlaubi (black dwarf hornbill) Species Tockus hemprichii (Hemprich's hornbill) Species Tockus jacksoni (Jackson's hornbill) Species Tockus leucomelas (southern yellow-billed hornbill) Species Tockus monteiri (Monteiro's hornbill) Species Tockus nasutus (African grey hornbill) Species Tockus pallidirostris (pale-billed hornbill)
