After Sibley & Monroe, 1990, with Finnish vernacular names from Lokki, Jännes & Nikander, 1992
<==o Penelope |-- P. argyrotis (vuorisaku) |-- P. barbata (partasaku) |-- P. ortoni (viidakkosaku) |-- P. montagnii (andiensaku) |-- P. marail (viherselkäsaku) |-- P. superciliaris (ruostesaku) |-- P. dabbenei (punanaamiosaku) |-- P. purpurascens (isosaku) |-- P. perspicax (kolumbiansaku) |-- P. albipennis (perunsaku) |--o P. jacquacu (amazoniansaku) | |-- P. j. jacquacu (Spix's Guan) | `-- P. j. granti (Green-backed Guan) |-- P. obscura (tummajalkasaku) |-- P. pileata (valkotöyhtösaku) |-- P. ochrogaster (ruskovatsasaku) `-- P. jacucaca (valko-otsasaku)
Reference(s):
- Lokki, J., Jännes, H. & Nikander, P. J., 1992: Otavan lintutieto.
–Kustannusosakeyhtiö Otava, Helsinki, Finland, 1992, 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 - Olson, S. L. & Rasmussen, P. D., 2001: Miocene and Pliocene birds from the Lee Creek Mine, North Carolina. 233-365
in Ray, C. E. & Bohaska, D. J., (eds.) 2001: Geology and paleontology of the Lee Creek Mine, North Carolina, III.
–Smithsonian Contributions to Paleobiology: No. 90, iii-365 - Sibley, C. G. & Monroe, J., BL., 1990: Distribution and taxonomy of birds of the world.
–Yale University Press, New Haven & London, 1990. XXIV-1111