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Jaap Hillenius, Ph.D.


Address: HWWE 205
Phone: 843.953.2297


B.S. cum Laude - Rijks Universiteit Groningen, the Netherlands

Ph.D. - Oregon State University,  Corvallis, Oregon

Research Interests

  • Vertebrate functional morphology,  paleobiology, and evolution.

Current interests include:

  • Functional, morphological and physiological basis of breathing mechanisms in tetrapods
  • Evolution of amniote integumentary structures
  • Origin and functional evolution of the harderian gland and nasolacrimal duct system in tetrapods

Courses Taught

BIOL 323 - Comparative Vertebrate Anatomy

BIOL 339 - Dinosaur Biology

BIOL 350 - Evolution


2015  Rehorek, S.J., Cunningham, J., Bruening, A., Johnson, J.E., Bhatnagar, K., Smith, T.D., and Hillenius, W.J.  Development of the nasolacrimal apparatus in the Mongolian gerbil (Meriones unguiculatus), with notes on network topology and function.  Journal of Morphology 276:1005-1024 [DOI:10.1002/jmor.20393].

2014  Geist, N.R., Hillenius, W.J., Frey, E., Jones, T.D., and Elgin, R.A., Breathing in a box: constraints on lung ventilation in giant pterosaurs.  Anatomical Record 297:2233-2253  [DOI: 10.1002/ar.22839].

2013  Rehorek, S.J, Grand-Pierre, A.E., Cummings, J.R., Jewel, B., Constantine, J., and Hillenius, W.J.  A re-examination and re-evaluation of salamander orbital glands.  Anatomical Record 296:1789-1796.

2013  Quick, D., and Hillenius, W.J.  Dinosaur Physiology: were dinosaurs warm-blooded?  In: Encyclopedia of Life Sciences Wiley, Chichester, UK. [DOI: 10.1002/9780470015902.a0003323.pub2].

2012  Ruben, J.A., Jones, T.D., Geist, N.R., Hillenius, W.J., Harwell, A.E., Quick, D.E.  Metabolic physiology of dinosaurs and early birds.  Pp. 785 – 817 in: The Complete Dinosaur, 2nd ed. M.K. Brett-Surman, T.R. Holtz, and J.O. Farlow (eds.).  Indiana University Press, Bloomington.

2012  Ruben, J.A., Hillenius, W.J., Kemp, T.S., and Quick, D.E.  The evolution of Mammalian Endothermy.  Pp. 271-296 in: Forerunners of Mammals: Radiation, Histology, Biology.  A. Chinsamy-Turan (ed.).  Indiana University Press, Bloomington.

2011  Rehorek, S.J., Holland, J.R., Johnson, J.L. Caprez, J.M., Cray, J. Mooney, M.P., Hillenius, W.J., and Smith, T.D.  Development of the lacrimal apparatus in the rabbit (Oryctolagus cuniculus) and its potential role as a model for primates.  Anatomy Research International doi: 10.1155/2011/623186.

2010  Rehorek, S.J., Hillenius, W.J., Leigh, C., and Firth, B.T.  Is it or isn’t it: a reexamination of the antorbital glands of the fat-tailed Dunnart Sminthopsis crassicaudata (Dasyuridae; Marsupialia) and a reevaluation of the definitions for the Harderian gland.  Anatomical Record 293:1449-1454.

2009  Maderson, PFAM, Hillenius, W.J., Dove, C., and Hiller, U.  Towards a comprehensive model of feather regeneration.  Journal of Morphology 270:1166-1208.

2007  Hillenius, W.J., Rehorek, S.J., and Phillips, D.A.  “A new lachrymal gland with an excretory duct in red and fallow deer” by Johann Jacob Harder (1694): English translation and historical perspective.  Annals of Anatomy 189:423-433.

2007  Rehorek, S.J., Hillenius, W.J., Sanjur, J., and Chapman, N.  One gland, two lobes: organogenesis of the “Harderian” and “nictitans” glands of the Chinese Muntjac (Muntiacus reevesi) and fallow deer (Dama dama).  Annals of Anatomy 189:434-446.

2005  Ruben. J.A., and W.J. Hillenius.  “Cold-blooded.”  Natural History 114:50-51.

2005  Hillenius, W.J.  Dinosaur physiology: Were dinosaurs warm-blooded?  In: Encyclopedia of Life Sciences.  Wiley, Chichester, UK. [doi:10.1038/npg.els.0003323].

2005  Rehorek, S.J., Hillenius, W.J., Kennaugh, J., and Chapman, N.  The gland and the fossa: the preorbital apparatus of muntjacs.  Pp. 152-158 in: Chemical Signals in Vertebrates 10.  R.T. Mason, M.P. LeMaster, and D. Müller-Schwarze (eds.).  Kluwer Academic, New York.

2005  Hillenius, W.J., and Rehorek, S.J.  From the eye to the nose: possible ancient orbital to vomeronasal communication in tetrapods?  Pp. 228-241 in: Chemical Signals in Vertebrates 10.  R.T. Mason, M.P. LeMaster, and D. Müller-Schwarze (eds.).  Kluwer Academic, New York.

2004  Hillenius, W.J., and Ruben, J.A.  The evolution of endothermy in terrestrial vertebrates: Who? When? Why? Physiological and Biochemical Zoology 77:1019-1042.

2004  Hillenius, W.J., and Ruben, J.A.  Getting warmer, getting colder – reconstructing crocodylomorph physiology. Physiological and Biochemical Zoology 77:1068-1072.

2004  Chinsamy, A., and Hillenius, W.J.  The Physiology of Nonavian Dinosaurs.  Pp. 643-659 in: The Dinosauria, 2nd ed.  D.B. Weishampel, P. Dodson, and H. Osmólska (eds.).  University of California Press, Berkeley.

2001  Hillenius, W.J., Watrobski, L, and Rehorek, S.J.  Passage of tear duct fluids through the nasal cavity of frogs.  Journal of Herpetology 35:701-704.

2000  Jones, T.D., Farlow, J.O., Ruben, J.A., Henderson, D.M., and Hillenius, W.J.  Cursoriality in bipedal archosaurs.  Nature 406:716-718.

2000  Rehorek, S.J., Hillenius, W.J., Quan, W. and Halpern, M.  Passage of the Harderian gland secretions to the vomeronasal organ of Thamnophis spp. (Serpentes, Colubridae).  Canadian Journal of Zoology.

2000  Hillenius, W.J.  The septomaxilla of non-mammalian synapsids: soft-tissue correlates and a new functional interpretation.  Journal of Morphology 245:29-50.

2000  Jones, T.D., Ruben, J.A., Martin, L.D., Kurochkin, E.N., Feduccia, A., Maderson, P.F.A., Hillenius, W.J., Geist, N.R., and Alifanov, V. Nonavian feathers in a Late Triassic archosaur.  Science 288:2202-2205.

1999  Ruben, J.A., Dal Sasso, C., Geist, N.R., Hillenius, W.J., Jones, T.D., and Signore, M. Pulmonary function and metabolic physiology in theropod dinosaurs.  Science 283:514-516.

1998  Ruben, J.A., Jones, T.D., Geist, N.R., and Hillenius, W.J.  Lung ventilation and gas exchange in theropod dinosaurs.  Response to Letters, Science 281:45-48.

1997  Ruben, J.A., Jones, T.D., Geist, N.R., and Hillenius, W.J.  Lung structure in theropod dinosaurs and early birds.  Science 278:1267-1270.

1997  Ruben, J.A., Leitch, A., Hillenius, W.J., and Geist, N.  New insights into the metabolic physiology of dinosaurs.  Pp 505 - 518.  In: The Complete Dinosaur. J.O. Farlow and M.K. Brett-Surman (eds.). Indiana University Press, Bloomington.

1997  Hillenius, W.J.  Mammalia.  Pp. 281-283.  In: 1997 McGraw-Hill Yearbook of Science and Technology. McGraw-Hill, New York.

1996  Ruben, J.A., Hillenius, W.J., Geist, N.R., Leitch, A., Jones, T.D., Currie, P.J., Horner, J.R., and Espe, G.  The metabolic status of some Late Cretaceous dinosaurs.  Science 273:1204-1207.

1994  Hillenius, W.J.  Turbinates in therapsids: evidence for endothermy in mammal-like reptiles.  Evolution 48:207-229.

1992  Hillenius, W.J.  The evolution of nasal turbinates and mammalian endothermy.  Paleobiology 18:17-29.