Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Trogoniformes Wetmore & Miller, 1926 - trogons Family Trogonidae Lesson, 1828 - trogons Genus Pharomachrus De La Llave, 1832 Pharomachrus auriceps (Gould, 1842) - golden-headed quetzal