Stephen Dornbos

 Lapham Hall 372



PhD, University of Southern California
MS, University of Southern California
BA, College of Wooster

Research Interests

Evolution and preservation of early life on Earth; Geobiology of microbial structures in Precambrian and Cambrian sedimentary rocks; Evolutionary paleoecology of early animals during the Ediacaran–Cambrian biodiversification event.

Courses Taught

Geo Sci 102 – Principles of Historical Geology
Geo Sci 108 – A History of Life
Geo Sci 109 – Dinosaurs (online)
Geo Sci 520 – Introduction to Paleontology
Geo Sci 558 – Conducted Field Trip: Colorado Plateau & Dinosaur National Monument
Geo Sci 558 – Conducted Field Trip: Paleobiology & Sedimentology of the Bahamas
Geo Sci 697 – Seminar in the Geological Sciences: Early Animal Evolution
Geo Sci 697 – Seminar in the Geological Sciences: Marine Paleoecology
Geo Sci 790 – Graduate Seminar in the Geological Sciences: Marine Paleobiology
Geo Sci 790 – Graduate Seminar in the Geological Sciences: Ichnology

Other Activities

AAAS Science & Technology Policy Fellow, U.S. Department of Defense
Adjunct Curator, Milwaukee Public Museum
Curator, Greene Geological Museum
Editorial Board, Heliyon

Selected Publications

Cordie, D. R., Dornbos, S. Q., Marenco, P. J., Oji, T., & Gonchigdorj, S. (2019). Depauperate skeletonized reef-dwelling fauna of the early Cambrian: Insights from archaeocyathan reef ecosystems of western Mongolia. Palaeogeography, Palaeoclimatology, Palaeoecology, 514, 206–221.
Cordie, D. R., & Dornbos, S. Q. (2019). Restricted morphospace occupancy of early Cambrian reef-building archaeocyaths. Paleobiology, 45(2), 331–346.
Oji, T., Dornbos, S. Q., Yada, K., Gonchigdorj, S., Hasegawa, H., Mochizuki, T., Takayanagi, H., & Iryu, Y. (2018). Penetrative trace fossils from the late Ediacaran of Mongolia: Early onset of the agronomic revolution. Royal Society Open Science, 5, 172250.
Dornbos, S. Q., Oji, T., Kanayama, A., & Gonchigdorj, S. (2016). A new Burgess Shale-type deposit from the Ediacaran of western Mongolia. Scientific Reports, 6, 23438.
Novek, J. M., Dornbos, S. Q., & McHenry, L. J. (2016). Palaeoredox geochemistry and bioturbation levels of the exceptionally preserved early Cambrian Indian Springs biota. Lethaia, 49, 604–616.
Fedorchuk, N. D., Dornbos, S. Q., Corsetti, F. A., Isbell, J. L., Petryshyn, V. A., Bowles, J., & Wilmeth, D. T. (2016). Early non-marine life: Evaluating the biogenicity of Mesoproterozoic fluvial-lacustrine stromatolites. Precambrian Research, 275, 105-118.
Kloss, T. J., Dornbos, S. Q., Chen, J., McHenry, L. J., & Marenco, P. J. (2015). High-resolution geochemical evidence for oxic bottom waters in three Cambrian Burgess Shale-type deposits. Palaeogeography, Palaeoclimatology, Palaeoecology, 440, 90-95.