Erethizon dorsatum (Linnaeus, 1758). Syst. Nat., 10th ed., 1:57. TYPE LOCALITY: E Canada (= Quebec Prov.). DISTRIBUTION: C Alaska (USA) to S Hudson Bay and Labrador (Canada), south to E Tennessee, C Iowa, and C Texas (USA), N Coahuila, Chihuahua, and Sonora (Mexico), and S California (USA). STATUS: Common. SYNONYMS: bruneri, couesi, doani, epixanthus, myops, nigrescens, picinum. COMMENTS: Reviewed by Miller and Kellogg (1955:631), who restricted the type locality; also see Anderson and Rand (1943). Includes couesi; (see review by Woods, 1973, Mammalian Species, 29). There are six subspecies., Published as part of Charles A. Woods, 1993, Order Rodentia - Suborder Hystricognathi, pp. 771-806 in Mammal Species of the World (2 nd Edition), Washington and London :Smithsonian Institution Press on page 776, DOI: 10.5281/zenodo.7353083, {"references":["Miller, G. S., Jr., and R. Kellogg. 1955. List of North American Recent mammals. Bulletin of United States National Museum, 205: 1 - 954.","Anderson, R. M., and A. L. Rand. 1943. Variation in the porcupine (Genus Erethizon) in Canada. Canadian Journal of Research, section D, 21: 292 - 309.","Woods, C. A. 1973. Erethizon dorsatum. Mammalian Species, 29 - 1 - 6."]}