The shrub-ox (''Euceratherium collinum'') is an extinct genus and species of
ovibovine caprine native to
North America along with ''
Bootherium'' (''Bootherium bombifrons'') and
Soergel's ox (''Soergelia mayfieldi'').
Descriptions
''Euceratherium'' was one of the first
bovid
The Bovidae comprise the biological family of cloven-hoofed, ruminant mammals that includes cattle, bison, buffalo, antelopes, and caprines. A member of this family is called a bovid. With 143 extant species and 300 known extinct species, ...
s to enter North America. It appeared on the continent during the early Pleistocene, long before the first
bison arrived from Eurasia. It became extinct about 11,500 years ago. It was formally described in 1904. It is possibly synonymous with ''
Bootherium'', although this is uncertain.
Late Pleistocene shrub-ox remains are known from fossil finds spanning from northern
California
California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
to central Mexico. In the East they were distributed at least into
Illinois
Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rockf ...
.
''Euceratherium'' was massively built and in size between a modern
American bison
The American bison (''Bison bison'') is a species of bison native to North America. Sometimes colloquially referred to as American buffalo or simply Bubalina, buffalo (a different clade of bovine), it is one of two extant species of bison, alongs ...
and a
musk ox
Musk ( Persian: مشک, ''Mushk'') is a class of aromatic substances commonly used as base notes in perfumery. They include glandular secretions from animals such as the musk deer, numerous plants emitting similar fragrances, and artificial sub ...
. A specimen was estimated to have a body mass of . On the basis of preserved dung pellets, it has been established that they were browsers with a diet of trees and shrubs.
They seem to have preferred hilly landscapes.
References
Further reading
* P. S. Martin: ''Quaternary Extinctions''. The University of Arizona Press, 1984
* ''Grundzüge der Faunen- und Verbreitungsgeschichte der Säugetiere'', E. Thenius, 2.Auflage, Gustav Fischer Verlag, Stuttgart, 1980
External links
Image of Euceratherium
Prehistoric bovids
Pleistocene even-toed ungulates
Pleistocene mammals of North America
Fossil taxa described in 1904
Prehistoric even-toed ungulate genera
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