Baker, A. J.; Haddrath, O.; McPherson, J. D.; Cloutier, A. (2014). ”Genomic Support for a Moa-Tinamou Clade and Adaptive Morphological Convergence in Flightless Ratites”. Molecular Biology and Evolution. doi:10.1093/molbev/msu153.
Leonard, Leona (11 maj 2005). ”A new specimen of the fossil palaeognath Lithornis from the Lower Eocene of Denmark”. American Museum Novitates "491" (3491): ss. 1–11. doi:10.1206/0003-0082(2005)491[0001:ANSOTF]2.0.CO;2. Läst 17 januari 2009.