<==o Nyctibiidae (Potoos; pökkelökehrääjät) |-- †Euronyctibius kurochkini `--o Nyctibius Vieillot, 1816 (pökkelökehrääjät) |--o N. grandis (Gmelin, 1789) (Large potoo, isopökkelökehrääjä) | |-- N. g. grandis (Gmelin, 1789) | `-- N. g. guatemalensis Land & Schultz, 1963 |--o N. aethereus (Wied-Neuwied, 1820) (Large-tailed Potoo; pyrstöpökkelökehrääjä) | |-- N. a. aethereus (Wied-Neuwied, 1820) (Large-tailed Potoo) | |-- N. a. chocoensis Chapman, 1921 | `-- N. a. longicaudatus (Spix, 1825) (Long-tailed Potoo) |--o N. jamaicensis (Gmelin, 1789) (Common Potoo) | |-- N. j. abbotti Richmond, 1917 (Hispaniolan Potoo) | |-- N. j. costaricensis Ridgway, 1912 (Central American common potoo) | |-- N. j. jamaicensis (Gmelin, 1789) (Jamaica Potoo) | |-- N. j. lambi Davis, J., 1959 | `-- N. j. mexicanus Nelson, 1900 (Mexican common potoo) |--o N. griseus (Gmelin, 1789) (Grey Potoo; harmaapökkelökehrääjä) | |-- N. g. griseus (Gmelin, 1789) (Grey Potoo) | |?- N. g. cornutus (Paraguayan Potoo) | `-- N. g. panamensis Ridgway 1912 |-- N. maculosus Ridgway, 1912 (Andean Potoo) |-- N. leucopterus (Wied-Neuwied, 1821) (valkopökkelökehrääjä) `-- N. bracteatus Gould, 1846 (ruskopökkelökehrääjä)
Reference(s):
- Feduccia, A., 1996: The Origin and Evolution of Birds.
–Yale University Press, New Haven, 1996, x-420 - 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: Zoonomen Nomenclatural data of Birds. (Updated: 2011-10-27)
–iNet: Zoonomen Nomenclatural data: http://www.zoonomen.net; [visited: 2011-12-02] - Sibley, C. G. & Monroe, J., BL. 1990: Distribution and taxonomy of birds of the world.
–Yale University Press, New Haven & London, 1990. XXIV-1111.