Английская Википедия:Euceratherium
Шаблон:Short description Шаблон:Speciesbox
The shrub-ox (Euceratherium collinum) is an extinct species of ovibovine caprine native to North America. It was the only species in the genus Euceratherium.
Descriptions
Euceratherium was one of the first bovids to enter North America. It appeared on the continent during the early Pleistocene (around 1.1 million years ago), long before the first bison arrived from Eurasia. It went extinct by ~13,000 years ago, just before the onset of the Younger Dryas. It was formally described in 1904.[1]
Taxonomy
It is possibly synonymous with Bootherium, although this is uncertain.[2] It was the only species in the genus Eurceratherium. Three other species of muskoxen inhabited North America during the Pleistocene era; in addition to the extant tundra muskox (Ovibos moschatus), the extinct Bootherium and Soergel's ox (Soergelia mayfieldi) were also present.
Distribution
Late Pleistocene shrub-ox remains are known from fossil finds spanning from what is now northern California to central Mexico. In the east of their range, they were distributed at least into Illinois.
Description
Euceratherium was massively built and in size between a modern American bison (Bison bison) and a muskox. A specimen was estimated to have a body mass of Шаблон:Convert.[3]
Ecology
On the basis of preserved dung pellets, it has been established that they were browsers with a diet of trees and shrubs.[4] They seem to have preferred hilly landscapes.
References
Further reading
- P. S. Martin: Quaternary Extinctions. The University of Arizona Press, 1984 Шаблон:ISBN
- Grundzüge der Faunen- und Verbreitungsgeschichte der Säugetiere, E. Thenius, 2.Auflage, Gustav Fischer Verlag, Stuttgart, 1980 Шаблон:ISBN
External links
Шаблон:Paleo-eventoedungulate-stub
- ↑ Furlong, E. L. & Sinclair, W. J. (1904). Preliminary description of Euceratherium collinum. University of California Publications, American Archaeology and Ethnology, 2:18.
- ↑ Шаблон:Cite journal
- ↑ |Paleobiology Database- Euceratherium collinum
- ↑ Шаблон:Cite journal
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