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 Caprimulgidae Vigors, 1825 - nightjars
           Subfamily Chordeilinae - nighthawks
             Genus Chordeiles Swainson, 1831[1832]
               1 Chordeiles pusillus Gould, 1861 - least nighthawk
               2 Chordeiles vielliardi (Lencioni-Neto, 1994) see Nyctiprogne vielliardi (Lencioni-Neto, 1994) B.M. Whitney et al., 2003
               3 Chordeiles rupestris (Spix, 1825) - sand-colored nighthawk
               4 Chordeiles acutipennis (Hermann, 1783) - lesser nighthawk
               5 Chordeiles minor (J.R. Forster, 1771) - common nighthawk
               6 Chordeiles gundlachii Lawrence, 1856 - Antillean nighthawk