Dr. Jonathan M. G. Perry

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E-Mail: JPERRY31(at)jhmi.edu
Phone: 410-955-7034

1830 E. Monument St., Room 303
Baltimore, MD 21205 USA




Jonathan at quarry L-41 in the Fayum Depression, Egypt


Jonathan and Dr. Sergio Vizcaino outside the cabin we inhabit in the field, Estancia La Costa, Santa Cruz Province, Argentina (taken in 2006 by Michael Malinzak).


Jonathan and Dr. Adam Hartstone-Rose feeding cubes of melon to a red ruffed lemur (Varecia rubra) to record bite size. This study was conducted at the Duke Lemur Center, Durham, North Carolina (taken in 2007 by David Haring).



  • Education:


  • Ph.D., Biological Anthropology and Anatomy, Duke University, 2008
    M.Sc., Systematics and Evolution, University of Alberta, 2001
    B.Sc., Paleontology, University of Alberta, 1998

  • Research Focuses:
  • Anatomy and biomechanics of the masticatory system
    Evolution of feeding adaptations in primates
    Material and structural properties of primate foods
    Craniomandibular morphology of Eocene primates
    Miocene platyrrhine dietary adaptatons

    I am interested in the link between skull form and diet. How do food properties influence skull morphology over evolutionary time and are there skull features we can use to reconstruct diet in extinct mammals. In particular, I am excited about the context for the evolution of primates and I am curious about whether changes in diet prompted changes to the skull that characterize the first primates. To address these interests, I have looked at links between the dimensions of the chewing muscles, bony skull features, and food properties in extant primates. I use these links to reconstruct aspects of feeding and diet in early primates (e.g., adapids). I am interested in applying these techniques more broadly and generating dietary hypotheses for other fossil groups (e.g., the archaic primates, plesiadapiforms). This has been the main focus of my research. In addition, I participate in several field projects to recover fossil mammals from localities across the world. I and my colleagues perform non-invasive, observational feeding experiments on captive primates to quantify feeding behavior. Finally, I collaborate on projects to quantify feeding energetics and to model tooth form in primates. All of this work is driven by a desire to understand the ways in which our earliest primate ancestors related to their environment.

  • Special Links:
  • Curriculum Vitae

  • Link to Fieldwork
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  • Recent/Noteworthy Publications:
  • Hartstone-Rose A, Perry JMG, and Morrow CJ (2012) Bite force estimation and the fiber architecture of felid masticatory muscles. The Anatomical Record 295:1336-1351. (view from Anatomical Record)

    Perry JMG, Hartstone-Rose A, and Logan RL (2011) The jaw adductor resultant and estimated bite force in primates. Anatomy Research International 2011: Article ID 929848, 11 pages. (view from Anatomy Research International)

    Muchlinski MN and Perry JMG (2011) Anatomical correlates to nectar-feeding among the strepsirrhines of Madagascar: implications for interpreting the fossil record. Anatomy Research International 2011. Article ID 378431, 17 pages. (view from Anatomy Research International)

    Hartstone-Rose A and Perry JMG (2011) Intraspecific variation in maximum ingested food size and body mass in Varecia rubra and Propithecus coquereli. Anatomy Research International 2011: Article ID 831943, 8 pages. (view from Anatomy Research International)

    Perry JMG, Hartstone-Rose A, and Wall CE (2011) The jaw adductors of strepsirrhines in relation to body size, diet, and ingested food size. The Anatomical Record 294(4):712-728.

    Perry JMG (2011) Book Review: The Smallest Anthropoids: The Marmoset/Callimico Radiation. American Journal of Physical Anthropology 144(3):501-502.

    Perry JMG, Kay RF, Vizcaíno SF, and Bargo MS (2010) Tooth root size, chewing muscle leverage, and the biology of Homunculus patagonicus (Primates) from the late early Miocene of Patagonia. Ameghiniana 47:355-371.

    Vizcaíno SF, Bargo MS, Kay RF, Fariña RA, DiGiacomo M, Perry JMG, Prevosti FJ, Toledo N, Cassini GH, and Fernicola JC (2010) A baseline paleoecological study for the Santa Cruz Formation (late–early Miocene) at the Atlantic coast of Patagonia, Argentina. Palaeogeography, Palaeoclimatology, Palaeoecology 292(3-4):507-519.

    Perry JMG and Hartstone-Rose A (2010) Maximum ingested food size in captive strepsirrhine primates: scaling and the effects of diet. American Journal of Physical Anthropology 142:625-635.

    Seiffert ER, Simons EL, Boyer DM, Perry JMG, Ryan TM, and Sallam HM (2010) A peculiar primate of uncertain affinities from the earliest late Eocene of Egypt. Proceedings of the National Academy of Sciences of the United States of America 107:9712-9717.

    Seiffert ER, Perry JMG, Simons EL, and Boyer DM (2009) Convergent evolution of anthropoid-like adaptations in Eocene adapiform primates. Nature 461:1118-1121.

    Perry JMG and Wall CE (2008) Scaling of the chewing muscles in prosimians. In Primate Craniofacial Function and Biology, CJ Vinyard, MJ Ravosa, and CE Wall (eds). New York: Springer. Pp. 217-240.

    Kay RF, Vizcaíno SF, Bargo MS, Perry JMG, Prevosti F, and Fernicola JC (2008) Two new fossil vertebrate localities in the Santa Cruz Formation (late early Miocene, Argentina), 51° South latitude. Journal of South American Earth Sciences 25: 187-195.

    Kay RF, Schmitt D, Vinyard CJ, Perry JMG, Shigehara N, Takai M, and Naoko E (2004) The paleobiology of Amphipithecidae, South Asian late Eocene primates. Journal of Human Evolution 46: 3-25.








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