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] Apodiformes Peters, 1940 - swifts
         1 Family Apodidae Hartert, 1897 - swifts
         2 Family Hemiprocnidae Oberholser, 1906 [monotypic] - treeswifts
         3 Family Trochilidae Vigors, 1825 - hummingbirds