After McDonald & Ray, 1989
Bootherium
Bos
Ovibos
Bison
Symbos
Scaphoceros
Gidleya
Bootherium bombifrons
Bootherium [female]
†Bos bombifrons
†Ovibos bombifrons
†Bison appalachicolus
†Bootherium sargenti
†Bootherium nivicolens
†Bootherium brazosis
†Symbos [male]
†Ovibos cavifrons
†Bootherium cavifrons
†Symbos australis
†Ovibos convexifrons
†Scaphoceros tyrrelli
†Symbos promptus
†Ovibos giganteus
†Gidleya zuniensis
Reference(s):
- 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.