After McDonald & Ray, 1989, Nowak, 1991 and McKenna & Bell, 1997
<==o Ovibovini (myskoxes; myskihärät) |-- †Damalavus |-- †Urmiatherium |-- †Tsaidamotherium |-- †Parurmiatherium |-- †Palaeoryx [Sivoryx] |-- †Criotherium |-- †Lyrocerus |-- †Makapania |-- †Megalovis [Deperetia, Pliotragus, Hesperoceras, Hesperidoceras] |--o Budorcas taxicolor (härkägemssi, taki) | |-- B. t. taxicolor (assamintaki) | |-- B. t. bedfordi (kiinantaki) | `-- B. t. tibetana (tiibetintaki) |-- †Praeovibos priscus Staudinger, 1908 |-- †Bootherium bombifrons [Synonyms] |--o Ovibos | |?- †O. maximus | `--o O. moschatus [O. proximus] (myskihärkä) | |-- O. m. moschatus ()? | |-- O. m. niphoecus ()? | `-- O. m. wardi ()? |--o †Soergelia Schaub, 1951 | |-- †S. elisabethae | |-- †S, minor | `-- †S. brigittae Kostopoulos, 1997 |-- †Boopsis `--o †Euceratherium [Aftonius, Preptoceras] `-- †E. collinum
Reference(s):
- Carranza-Castañeda, O. & Miller, W. E., 1987: Rediscovered type specimens and other important published Pleistocene mammalian fossils from Central Mexico.
–Journal of Vertebrate Paleontology: Vol. 7, #3, pp. 335-341 - Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Kostopoulos, D. S., 1997: The Plio-Pleistocene artiodactyls (Vertebrata, Mammalia) of Macedonia 1. The fossiliferous site "Apollonia-1", Mygdonia Basin of Greece. .
–Geodiversitas: Vol. 19, #4, pp. 845-875 - Kostopoulos, D. S. & Koufos, G. D., 1999: The Bovidae (Mammalia, Artiodactyla) of the "Nikiti-2" [NIK] faunal assemblage (Chalkidiki peninsula, N. Greece).
–Annales de Paléontologie: Vol. 85, #3, pp. 193-218 -
McDonald, J. N. & Ray, C. E., 1989: The autochthonous North American musk oxen Bootherium, Symbos & Gidleya (Mammalia: Artiodactyla: Bovidae).
–Smithsonian Contributions to Paleobiology: No. 66, pp. iv-77 - McKenna, M. C. & Bell, S. K., eds., 1997: Classification of mammals; above the species level.
–Columbia University Press, New York, 1997.
- Nowak, R. M., 1991: Walker's Mammals of the World; Part 1.
–The Johns Hopkins University Press, Baltimore and London, 1991, xlviii-642-lxiii - Nowak, R. M., 1991: Walker's mammals of the World; Part 2.
–The Johns Hopkins University Press, Baltimore and London, 1991, xii-643-1629