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 Piciformes Meyer & Wolf, 1810 - scansorial birds
                   Superfamily Picoidea Vigors, 1825
                     Family Ramphastidae Vigors, 1825 - toucans and barbets
                       Genus Aulacorhynchus Gould, 1834
                         1 Aulacorhynchus sulcatus (Swainson, 1820) - groove-billed toucanet
                         2 Aulacorhynchus prasinus (Gould, 1834) - emerald toucanet
                         3 Aulacorhynchus caeruleocinctus d'Orbigny, 1840 see Aulacorhynchus coeruleicinctis d'Orbigny, 1840