Cui, P. R. Ji, F. Ding, D. Qi, H. Gao, H. Meng, J. Uu, S. Hu, H. Zhang, 2007. A complete mitochondrial genome sequence of the wild two-humped camel (Camelus bactrianus ferus): an evolutionary history of camelidae. BMC Genomics 8:241.
Dalquest, W., 1992. Problems in the nomenclature of North American Pleistocene camelids. Ann. Zool. Fennici 28:2291-299. Helsinki, Finland.
Dompierre, H. and C. Churcher, 1996. Premaxillary shape as an indicator of the diet of seven extinct late Cenozoic New World camels. Journal of Vertebrate Paleontology, 16:141-148.
Feranec, R. 2002. The growth rate and period of the adult canine in Smilodon gracilis, and inferences on diet using stable isotopes. Abstracts with Programs, Geological Society of America, Denver Annual Meeting.
Feranec, R. 2003. Stable isotopes, hypsodonty, and the paleodiet of Hemiauchenia (Mammalia: Camelidae)a: a morphological specialization creating ecological generalization. Paleobiology, 29(2):230-242.
Harris, Art. 2008. Hemiauchenia macrocephala (Cope 1893) Big-headed Llama. Website. Accessed 2-17-09
Janis, C. J. Theodor, B. Boisvert, 2002. Locomotor evolution in camels revisited a Quantitative ananysis of pedal anatomy and the acquisition of the pacing gait. Journal of Vertebrate Paleontology 22(1): 110-121.
Scherer, C. J. Ferigolgo, A. Ribeiro, C. Guerra, 2007. Contribution to the knowledge of Hemiauchenia paradoxa (Artiodactyla, camelidae) from the Pleistocene of Southern Brazil. Rev. bras. Paleontol. 10(1):35-52.
Shaw, C. 2001. Rancho la Brea Camels. In: J. Harris (ed), Rancho La Brea: Death Trap and Treasure Trove. Terra 30(2): 33. Los Angeles Natural History Museum Foundation.
