Jonathan at quarry L-41 in the Fayum
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).
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
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.
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.
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
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
Perry JMG (2011) Book Review: The Smallest Anthropoids: The Marmoset/Callimico
Radiation. American Journal of Physical Anthropology 144(3):501-502.
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
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.
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
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.
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.