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
         Family Steatornithidae Gray, 1846 - oilbird
           Genus Steatornis Humboldt, 1814 [monotypic]
             1 Steatornis caripensis v. Humboldt, 1817 - oilbird