Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Coraciae see Order Coraciiformes Forbes, 1884
         Superorder Coraciimorphae see Order Coraciiformes Forbes, 1884
           1 Order Trogoniformes Wetmore & Miller, 1926 - trogons
           2 Order Coraciiformes Forbes, 1884 - rollerlike birds