Heintzman, Peter D.; Zazula, Grant D.; Cahill, James A.; Reyes, Alberto V.; MacPhee, Ross D.E.; Shapiro, Beth (2 de junho de 2015). «Genomic Data from Extinct North American Camelops Revise Camel Evolutionary History». Molecular Biology and Evolution. 32 (9): 2433–2440. PMID26037535. doi:10.1093/molbev/msv128
Heintzman, Peter D.; Zazula, Grant D.; Cahill, James A.; Reyes, Alberto V.; MacPhee, Ross D.E.; Shapiro, Beth (2 de junho de 2015). «Genomic Data from Extinct North American Camelops Revise Camel Evolutionary History». Molecular Biology and Evolution. 32 (9): 2433–2440. PMID26037535. doi:10.1093/molbev/msv128