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] Caprimulgiformes Ridgway, 1881 - nightjars
         1 Family Podargidae Gray, 1840 - frogmouths
         2 Family Steatornithidae Gray, 1846 - oilbird
         3 Family Nyctibiidae Chenu & Des Murs, 1851 [monotypic] - potoos
         4 Family Caprimulgidae Vigors, 1825 - nightjars
         5 Family Aegothelidae Bonaparte, 1853 - owlet-nightjars