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 Trogoniformes Wetmore & Miller, 1926 - trogons
                   Family Trogonidae Lesson, 1828 - trogons
                     1 Genus Pharomachrus De La Llave, 1832
                     2 Genus Trogon Brisson, 1760
                     3 Genus Euptilotis Gould, 1858
                     4 Genus Priotelus G.R. Gray, 1840
                     5 Genus Temnotrogon Bonaparte, 1854 see Genus Priotelus G.R. Gray, 1840
                     6 Genus Apaloderma Swainson, 1833
                     7 Genus Heterotrogon Richmond, 1895 see Genus Apaloderma Swainson, 1833
                     8 Genus Harpactes Swainson, 1833