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 Ramphastos Linnaeus, 1758
                         1 Ramphastos vitellinus M.H.K. Lichtenstein, 1823 - channel-billed toucan
                         2 Ramphastos dicolorus Linnaeus, 1766 - red-breasted toucan
                         2.0 "Ramphastos discolorus" nom. null. see Ramphastos dicolorus Linnaeus, 1766
                         3 Ramphastos sulfuratus Lesson, 1830 - keel-billed toucan
                         4 Ramphastos swainsonii Gould, 1833 - chestnut-mandibled toucan
                         5 Ramphastos toco P.L. Statius Müller, 1776 - Toco toucan
                         6 Ramphastos cuvieri Wagler, 1827 - Cuvier's toucan see Ramphastos tucanus cuvieri Wagler, 1827