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]
Chordeiles pusillus Gould, 1861 - least nighthawk
1 Chordeiles pusillus septentrionalis (Hellmayr, 1908)
2 Chordeiles pusillus esmeraldae Zimmer & Phelps, 1947
3 Chordeiles pusillus xerophilus Dickerman, 1988
4 Chordeiles pusillus novaesi Dickerman, 1988
5 Chordeiles pusillus pusillus Gould, 1861
6 Chordeiles pusillus saturatus Pinto & Camargo, 1957