Hassanin, A., & Douzery, E. J. (2003). Molecular and morphological phylogenies of Ruminantia and the alternative position of the Moschidae. Systematic biology, 52(2), 206-228. https://doi.org/10.1080/10635150390192726
Bibi, F. (2013). A multi-calibrated mitochondrial phylogeny of extant Bovidae (Artiodactyla, Ruminantia) and the importance of the fossil record to systematics. BMC evolutionary biology, 13(1), 166. https://doi.org/10.1186/1471-2148-13-166
Hassanin A, Delsuc F, Ropiquet A, Hammer C, Jansen van Vuuren B, Matthee C, Ruiz-Garcia M, Catzeflis F, Areskoug V, Nguyen TT, Couloux A: Pattern and timing of diversification of Cetartiodactyla (Mammalia, Laurasiatheria), as revealed by a comprehensive analysis of mitochondrial genomes. C R Biol. 2012, 335: 32-50. https://doi.org/10.1016/j.crvi.2011.11.002
Zhou, Z., Winkler, D. E., Fortuny, J., Kaiser, T. M., & Marcé-Nogué, J. (2019). Why ruminating ungulates chew sloppily: Biomechanics discern a phylogenetic pattern. PloS one, 14(4), e0214510. https://doi.org/10.1371/journal.pone.0214510
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Østbye, Eivind; Aarnes, Halvor: drøvtyggere i Store norske leksikon på snl.no. Hentet 3. november 2020 fra https://snl.no/dr%C3%B8vtyggere
