Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
           Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
             Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
               Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
                 Order Coraciiformes Forbes, 1884 - rollerlike birds
                   Suborder Coracii Forbes, 1884
                     1 Family Atelornithidae see Family Brachypteraciidae Sharpe, 1892
                     2 Family Leptosomidae Blyth, 1838 - cuckoo-rollers
                     3 Family Galbulidae Bonaparte, 1831 - jacamars
                     4 Family Bucconidae Boie, 1826 - puffbirds
                     5 Family Coraciidae Batsch, 1788 - rollers
                     6 Family †Primobucconidae Feduccia & Martin, 1976