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 Nyctibiidae Chenu & Des Murs, 1851 [monotypic] - potoos
           Genus Nyctibius Vieillot, 1816
             1 Nyctibius grandis (J.F. Gmelin, 1789) - great potoo
             2 Nyctibius aethereus (Wied, 1820) - long-tailed potoo
             3 Nyctibius jamaicensis (J.F. Gmelin, 1789) - common potoo
             4 Nyctibius griseus (J.F. Gmelin, 1789) - grey potoo
             5 Nyctibius maculosus Ridgway, 1912 - Andean potoo
             6 Nyctibius leucopterus (Wied, 1821) - white-winged potoo
             7 Nyctibius bracteatus Gould, 1846 - rufous potoo