Nåtidsfuglers basale klader basert på Sibley-Ahlquists taxonomi[4], inkludert Craciformes, som er en omdiskutert gruppe som nå mangler faglig støtte, og Mesitornithiformes.
- ^ Wang N, Kimball RT, Braun EL, Liang B, Zhang Z (2013) Assessing Phylogenetic Relationships among Galliformes: A Multigene Phylogeny with Expanded Taxon Sampling in Phasianidae. PLoS ONE 8(5): e64312. DØI:10.1371/journal.pone.0064312
- ^ Josep del Hoyo, Nigel J. Collar. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1 - Non-passerines, 904 sider, publisert i juli 2014. ID:ILCHK01 ISBN 978-84-96553-94-1
- ^ Hosner, P. A., Braun, E. L., & Kimball, R. T. (2016). Rapid and recent diversification of curassows, guans, and chachalacas (Galliformes: Cracidae) out of Mesoamerica: Phylogeny inferred from mitochondrial, intron, and ultraconserved element sequences. Molecular Phylogenetics and Evolution, 102, 320-330. DOI:10.1016/j.ympev.2016.06.006
- ^ Sibley, C. G., och J. Ahlquist. 1990. Phylogeny and classification of birds. Yale University Press, New Haven, Conn.
