• Biknevicius AR. 1986. Dental function and diet in the Carpolestidae (Primates, Plesiadapiformes). Am J of Phys Anthropol 71: 157171.
  • Bloch JI, Boyer DM. 2002. Grasping primate origins. Science 298: 16061610.
  • Bloch JI, Boyer DM. 2003. Response to comment on “Grasping primate origins”. Science 300: 741c.
  • Bloch JI, Gingerich PD. 1998. Carpolestes simpsoni, new species (Mammalia, Proprimates) from the Late Paleocene of the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology: University of Michigan. Vol. 30: p 131162.
  • Bloch JI, Silcox MT. 2006. Cranial anatomy of Paleocene plesiadapiform Carpolestes simpsoni (Mammalia, Primates) using ultra high-resolution X-ray computed tomography, and the relationships of “plesiadapiforms” to Euprimates. J Hum Evol 50: 135.
  • Bloch JI, Silcox MT, Boyer DM, Sargis EJ. 2007. New Paleocene skeletons and the relationship of plesiadapiforms to crown-clade primates. In: Proceedings of the National Academy of Science. Vol. 104: p 11591164.
  • Coleman MN, Boyer DM. 2008. Evolution of low frequency hearing in primates: evidence from fossils. Am J Phys Anthropol 46: 80A.
  • Coleman MN, Colbert MW. 2010. Correlations between auditory structures and hearing sensitivity in non-human primates. J Morphol 271: 511532.
  • Gingerich PD, Gunnell, GF. 2005. Brain of Plesiadapis cookei (Mammalia, Proprimates): surface morphology and encephalization compared to those of Primates and Dermoptera. Contributions from the Museum of Paleontology: University of Michigan. Vol. 31: p 185195.
  • Gingerich PD, Smith BH, Rosenberg KR. 1982. Allometric scaling in the dentition of primates and prediction of body weight from tooth size in fossils. Am J Phys Anthropol 58: 81100.
  • Jerison HJ. 1973. Evolution of the brain and intelligence. New York: Academic Press.
  • Kay RF, Kirk E, Malinzak M. 2008. New data on encephalization in Miocene new world monkeys: implications for anthropoid brain evolution. J Vert Paleontol 28( suppl 3): 99A.
  • Kelly MC, Chen P. 2009. Development of form and function in the mammalian cochlea. Curr Opin Neurobiol 19: 395401.
  • Kirk EC. 2006. Effects of activity pattern on eye size and orbital aperture size in primates. J Hum Evol 51: 159170.
  • Kirk EC, Gosselin-Ildari AD. 2009. Cochlear labyrinth volume and hearing abilities in primates. Anat Rec 292: 765776.
  • Murphy WJ, Eizirik E, O'Brien SJ, Madsen O, Scally M, Douady CJ, Teeling E, Ryder OA, Stanhope MJ, de Jong WW, Springer MS. 2001. Resolution of the early placental mammal radiation using Bayesian phylogenetics. Science 294: 23482351.
  • Niemitz C. 1979. Outline of the behavior of Tarsius bancanus. In: DoyleGA, MartinRD, editors. The study of Prosimian behavior. New York: Academic Press. p 631660.
  • Rasband WS. 1997–2009. Image J, U.S. National Institutes of Health, Bethesda, Maryland, USA. Available at:
  • Silcox MT, Benham AE, Bloch JI. 2010. Endocasts of Microsyops (Microsyopidae, Primates) and the evolution of the brain in primitive primates. J Hum Evol 58: 505521.
  • Silcox MT, Bloch JI, Boyer DM, Houde P. 2010. Cranial anatomy of Paleocene and Eocene Labidolemur kayi (Mammalia: Apatotheria) and the relationships of the Apatemyidae to other mammals. Zool J Linn Soc. DOI: 10.1111/j.1096-3642.2009.00614.x.
  • Silcox MT, Dalmyn CK, Bloch JI. 2009b. Virtual endocast of Ignacius graybullianus (Paromomyidae, Primates) and brain evolution in early Primates. In: Proceedings of the National Academy of Sciences, USA Vol. 106: p 1098710992.
  • Silva M, Downing JA. 1995. Handbook of Mammalian body masses. Boca Raton, FL: CRC.
  • Visage Imaging Inc. 2003. Amira 3.1.1. Advanced 3D visualization and volume modeling. San Diego, CA: Template Graphics Software Inc. Available at: