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
             Nyctibius grandis (J.F. Gmelin, 1789) - great potoo
               1 Nyctibius grandis guatemalensis Land & Schultz, 1963
               2 Nyctibius grandis grandis (Gmelin, 1789)