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Equus scotti

Equus scotti
Fossil range: Template:Fossilrange Blancan to Rancholabrean
File:Escottimounted.jpg
A mounted skeleton of Equus scotti at the AMNH, constructed out of two skeletons.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Equidae
Genus: Equus
Species: E. scotti
Binomial name
Equus scotti
Gidley, 1900
Synonyms

Equus bautistensis

Equus scotti (translated from Latin as Scott's horse,[1] named after vertebrate paleontologist William Berryman Scott) is an extinct species of Equus, the genus that includes the horse. E. scotti was native to North America[2] and likely evolved from earlier, more zebra-like North American equids early in the Pleistocene Epoch.[3] The species may have crossed from North America to Eurasia over the Bering land bridge during the Pleistocene. The species died out at the end of the last ice age in the large-scale Pleistocene extinction of megafauna.

It was among the last of the native horse species in the Americas[citation needed] until the reintroduction of the horse approximately 10,000 years later, when conquistadors brought modern horses to North and South America circa 1500 AD, some of which later escaped to the wild and became ancestors of the many feral horses living today in the Americas.

Distribution

File:Escottioutcrop.jpg
Assemblage of bones, illustrated as discovery in situ, of Equus scotti

Paleontological and archaeological[citation needed] recovery has identified the locations of numerous specific places where E. scotti occurred. The species was named from Rock Creek, Texas, United States, where multiple skeletons were recovered. A closely related fossil find was made of Equus bautisensis in California; this species appeared closely related, but of a slightly more primitive form than E. scotti.[4] However, E. bautisensis was redefined as a junior synonym of E. scotti in 1998 by paleontologist E. Scott,[5] who also assigned fossils from the Anza-Borrego Desert in California, tentatively interpreted to represent E. bautistensis, to E. scotti.[6]One of the reported locations farthest south in the Americas is Pali Aike National Park in Chile.[7]

See also

References

  1. Template:Aut (2003) Annotated Bibliography of Quaternary Vertebrates of Northern North America: With Radiocarbon Dates, University of Toronto Press, 539 pages ISBN 080204817X
  2. The Paleobiology Database
  3. Template:Aut (1999) The Equus (Plesippus) - Equus scotti transition in western North America, Journal of Vertebrate Paleontology 19(3): 74-A
  4. Template:Aut (1921) Extinct Vertebrate Faunas of the Badlands of Bautista Creek and San Timoteo Cañon, Southern California, University of California Press, 424 pages
  5. Template:Aut (1998) Equus scotti from southern California, Journal of Vertebrate Paleontology 18(3): 76-A
  6. Template:Aut (2006) Extinct horses and their relatives, Fossil Treasures of the Anza-Borrego Desert: the Last Seven Million Years, ed. G.T. Jefferson and L. Lindsey, Sunbelt Publications, p. 253 - 271
  7. Template:Aut (2008) Pali Aike, The Megalithic Portal, ed. A. Burnham [1]



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