Palaeognathae
Bibliografi

Clements, J.F. Schulenberg, T.S. Iliff, M.J. Sullivan, B.L. & Wood, C.L. (2010) The Clements checklist of the birds of the world: Version 6.5.
Burnie, D. & Wilson, D. (2005) Animal: The Definitive Visual Guide to the World's Wildlife. New York, New York: DK publishing, inc.. pp. 260–265. ISBN 0-7894-7764-5.
Clarke, G.M.; Tambussi, J.A.; Noriega, C.P.; Erickson, J.I.; Ketchum, R.A. (2005). "Definitive fossil evidence for the extant avian radiation in the Cretaceous" (PDF). Nature. 433 (7023): 305–308. Bibcode:2005Natur.433..305C. doi:10.1038/nature03150. hdl:11336/80763. PMID 15662422.  Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Leonard, L.; Dyke, G.J.; Van Tuinen, M. (2005). "A new specimen of the fossil palaeognath Lithornis from the Lower Eocene of Denmark" (PDF). American Museum Novitates (491): 1–11. doi:10.1206/0003-0082(2005)491[0001:ANSOTF]2.0.CO;2. hdl:2246/5660.  Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Davies, S.J.J.F. (2002) Ratites and Tinamous New York, NY: Oxford University Press ISBN 978-0-19-854996-3
Cracraft, J (2001). "Avian evolution, Gondwana biogeography and the Cretaceous-Tertiary mass extinction event". Proceedings of the Royal Society of London B: Biological Sciences. 268 (1466): 459–469. doi:10.1098/rspb.2000.1368. PMC 1088628 . PMID 11296857.
Wyse, E. (2001) Dinosaur Encyclopedia: From Dinosaurs to the Dawn of Man. New York, New York: DK publishing, inc.. pp. 138–145. ISBN 0-7894-7935-4.
Wexo, J, (2000) Zoobooks: Ostriches and other Ratites. Poway, California: Wildlife Education. ISBN 1-888153-57-1.
Drenowatz, C. (1996). The Ratite Encyclopedia. Charley Elrod.
Feduccia, A. (1996) The Origin and Evolution of Birds New Haven, CT: Yale University Press p. 420 ISBN 978-0-300-07861-9
Sibley, C. (1993) A World Checklist of Birds. New Haven: Yale University Press. ISBN 0-300-05547-1.
Elwood, A. (1991) Ostriches, Emus, Rheas, Kiwis, & Cassowaries. Mankato, Minnesota: Creative Education. ISBN 0-88682-338-2.
Benton, M.J. (1990) Vertebrate Palaeontology (3rd ed.) Oxford, England: Blackwell Publishing ISBN 978-0-632-05637-8
Olson, Storrs L. (1985): The fossil record of birds. In: Farner, D.S.; King, J.R. & Parkes, Kenneth C. (eds.): Avian Biology 8: 79-238. Academic Press, New York. Not in copyright; PDF fulltext
Olson, S.L. (1989) Aspects of the global avifaunal dynamics during the Cenozoic. Proceedings of the 19th International Ornithological Congress (University of Ottawa Press): 2023–2029.
Houde, P.W. (1988) Paleognathous Birds from the Early Tertiary of the Northern Hemisphere. Publications of the Nuttall Ornithological Club.
Houde, P.W. (1986). "Ostrich ancestors found in the Northern Hemisphere suggest new hypothesis of ratite origins". Nature. 324 (6097): 563–565. Bibcode:1986Natur.324..563H. doi:10.1038/324563a0. PMID 29517755.  Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Perrins, C. (1979) Birds: Their Life, Their Ways, Their World. Pleasantville, New York: The Reader's Digest Association, Inc.. pp. 8–412. ISBN 0-89577-065-2.
Cracraft, J (1974). "Phylogeny and Evolution of the Ratite Birds". Ibis. 116 (4): 494–521. doi:10.1111/j.1474-919X.1974.tb07648.x.
McDowell, S (1948). "The bony palate of birds". The Auk. 65 (4): 520–549. doi:10.2307/4080603. JSTOR 4080603.
Eyton, T.C. et al. (1867) Osteological Avium; or A sketch of the osteology of birds Wellington: R. Hobson