Dr. Huttenlocker is an Assistant Professor in the Department of Cell & Neurobiology. He received his PhD from the University of Washington in 2013 and held a National Science Foundation-funded postdoctoral fellowship in paleophysiology at The University of Utah from 2013 to 2016. His current research uses hard-tissue microanatomy in order to understand the complex origins and early evolution of growth and physiology in mammals and other terrestrial vertebrate groups.
The aims of this work are to promote an appreciation of deep-time and macroevolutionary patterns in the fossil record through field- and lab-based methods, and to work toward a better understanding of physiological responses to stressed environments during major geologic transitions in the fossil record (e.g., the Permo-Triassic mass extinction when some 90% of life on Earth became extinct). In doing so, the lab is presently focusing on two major physiologic innovations during vertebrate history: (1) the evolution of small body size and mammal-like growth patterns in the Permian synapsid forerunners of mammals; and (2) increased energetics and activity metabolism in Triassic synapsids and archosaurs, and seasonal decreases in basal metabolism in estivating ancestors of modern amphibians in response to environmental stress and aridity.
Codron J, Botha-Brink J, Codron D, Huttenlocker AK, Angielczyk KD. Predator-prey interactions among Permo-Triassic terrestrial vertebrates as a deterministic factor influencing faunal collapse and turnover. J Evol Biol. 2016 Oct 1. View in: PubMed
Botha-Brink J, Codron D, Huttenlocker AK, Angielczyk KD, Ruta M. Breeding Young as a Survival Strategy during Earth's Greatest Mass Extinction. Sci Rep. 2016; 6:24053. View in: PubMed
Pardo JD, Huttenlocker AK, Small BJ. An exceptionally preserved transitional lungfish from the lower permian of Nebraska, USA, and the origin of modern lungfishes. PLoS One. 2014; 9(9):e108542. View in: PubMed
Huttenlocker AK. Body size reductions in nonmammalian eutheriodont therapsids (Synapsida) during the end-Permian mass extinction. PLoS One. 2014; 9(2):e87553. View in: PubMed
Huttenlocker AK, Botha-Brink J. Bone microstructure and the evolution of growth patterns in Permo-Triassic therocephalians (Amniota, Therapsida) of South Africa. PeerJ. 2014; 2:e325. View in: PubMed
Sidor CA, Vilhena DA, Angielczyk KD, Huttenlocker AK, Nesbitt SJ, Peecook BR, Steyer JS, Smith RM, Tsuji LA. Provincialization of terrestrial faunas following the end-Permian mass extinction. Proc Natl Acad Sci U S A. 2013 May 14; 110(20):8129-33. View in: PubMed
Huttenlocker AK, Rega E, Sumida SS. Comparative anatomy and osteohistology of hyperelongate neural spines in the sphenacodontids Sphenacodon and Dimetrodon (Amniota: Synapsida). J Morphol. 2010 Dec; 271(12):1407-21. View in: PubMed