After Sibley & Monroe, 1990, and Peterson, 2002-2003, with Finnish names from Lokki, Jännes & Nikander, 1992
<==o Chordeilinae (Nighthawks; haukkakehrääjät) |-- Nyctiprogne leucopyga (juovapyrstökehrääjä) |-- Podager nacunda (valkovatsakehrääjä) |--o Lurocalis (sepelkehrääjät) | |-- L. rufiventris (Rufous-bellied Nighthawk) | `--o L. semitorquatus (sepelkehrääjä) | |-- L. s. semitorquatus (Short-tailed Nighthawk) | `-- L. s. nattereri (Chestnut-banded Nighthawk) `--o Chordeiles (haukkakehrääjät) |-- C. pusillus (pikkuhaukkakehrääjä) |-- C. rupestris (särkkäkehrääjä) |-- C. acutipennis (harmaahaukkakehrääjä) |-- C. minor (isohaukkakehrääjä) `-- C. gundlachii (antillienhaukkakehrääjä)
Reference(s):
- Feduccia, A., 1980: The Age of Birds.
–Harvard University Press, Cambridge, Massachusetts & London, England, 1980, ix-196 - Feduccia, A., 1996: The Origin and Evolution of Birds.
–Yale University Press, Hew Haven, 1996 - Lokki, J., Jännes, H. & Nikander, P. J., (eds.) 1992: Otavan lintutieto – Maailman linnut.
–Kustannusosakeyhtiö Otava, Helsinki, 1992, pp. 1-440
translated from: Perrins, C. M. (ed.), 1990: The Illustrated encyclopaedia of birds.
–Headline Book Publishing Plc., London, England, 1990 - Olson, S. L., 1985: The fossil record of birds. 79-239.
in Farner, D., King, J. & Parkes, K. (eds.), 1985: Avian Biology. vol VIII.
–Academic Press, New York. 1985. - Peterson, A. P., 2002-2003: Zoonomen Nomenclatural data of Birds. (Updated: 2003-05-30)
–iNet: Zoonomen Nomenclatural data: http://www.zoonomen.net/avtax/frame.html; [visited: 2005-02-15] - Sibley, C. G. & Monroe, J. B. L., 1990: Distribution and taxonomy of birds of the world.
–Yale University Press, New Haven & London, 1990. XXIV-1111.