Back شيهم أمريكا الشمالية Arabic Erethizon dorsatum AST Kakw ATJ Itcabayol (Erethizon dorsata) AVK Северноамериканско бодливо свинче Bulgarian Hoc'h-dreinek Norzhamerika Breton Porc espí nord-americà Catalan Erethizon dorsatus CEB Urzon kanadský Czech Urson German
| North American porcupine Temporal range:
Middle Pleistocene – present (~130,000–0 YBP)[1] | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Erethizontidae |
| Subfamily: | Erethizontinae |
| Genus: | Erethizon |
| Species: | E. dorsatum
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| Binomial name | |
| Erethizon dorsatum | |
| Subspecies | |
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| Synonyms | |
The North American porcupine (Erethizon dorsatum), also known as the Canadian porcupine, is a large quill-covered rodent in the New World porcupine family. It is the second largest rodent in North America after the North American beaver (Castor canadensis). The porcupine is a caviomorph rodent whose ancestors crossed the Atlantic from Africa to Brazil 30 million years ago,[5][6] and then migrated to North America during the Great American Interchange after the Isthmus of Panama rose 3 million years ago.[7]
- ^ Cite error: The named reference
woods1973was invoked but never defined (see the help page). - ^ Emmons, L. (2016). "Erethizon dorsatum". IUCN Red List of Threatened Species. 2016: e.T8004A22213161. doi:10.2305/IUCN.UK.2016-3.RLTS.T8004A22213161.en. Retrieved 13 November 2021.
- ^ "Erethizon dorsatum". NatureServe Explorer. Retrieved 17 April 2024.
- ^ "Erethizon dorsatus". Integrated Taxonomic Information System. See also "Report". Integrated Taxonomic Information System.
- ^ Patterson, Bruce D.; Upham, Nathan S. (2014-12-01). "A newly recognized family from the Horn of Africa, the Heterocephalidae (Rodentia: Ctenohystrica)". Zoological Journal of the Linnean Society. 172 (4): 942–963. doi:10.1111/zoj.12201. ISSN 0024-4082 – via Oxford University Press.
- ^ Martin, Thomas (1994). "African origin of caviomorph rodents is indicated by incisor enamel microstructure". Paleobiology. 20 (1): 5–13. Bibcode:1994Pbio...20....5M. doi:10.1017/S009483730001109X. ISSN 0094-8373. S2CID 89551027.
- ^ Bromley, D.; Osborne, T. (1994). "Porcupine: Alaska Wildlife Notebook Series". Alaska Dept. of Fish and Game. Archived from the original on April 30, 2009. Retrieved 2009-05-10.
Cite error: There are <ref group=nb> tags on this page, but the references will not show without a {{reflist|group=nb}} template (see the help page).
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