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 Bucerotimorphae see Suborder Bucerotes Fürbringer, 1888
           Order Upupiformes see Infraorder Upupides Seebohm, 1890
             1 Infraorder Upupides Seebohm, 1890
             2 Infraorder Phoeniculides see Infraorder Upupides Seebohm, 1890