MARK A LOEWEN

MARK A LOEWEN portrait
  • Adjunct Assistant Professor, Geology & Geophysics, University of Utah

Biography

Education

  • MSc 1999, Paleontology, Loma Linda University. Project: Lateral salinity gradients in Eocene Fossil Lake, southwestern Wyoming
  • PhD 2009, Geology, University of Utah. Project: Variation in the Late Jurassic theropod dinosaur Allosaurus: ontogenetic, functional and taxonomic implications

Honors & Awards

  • Outstanding Graduate Teaching Award. Department of Geology and Geophysics University of Utah, 05/25/2008
  • Graduate Teaching Fellowship. Graduate School University of Utah, 05/22/2006
  • Outstanding Teaching Assistant Award. Department of Geology and Geophysics University of Utah, 05/22/2001
  • Dean’s Award (Highest Honor in M.Sc. Program). Graduate School Loma Linda University, 05/30/1999

Biography

Loewen, M. A., and D. J. Chure. 2010. Comment on the proposed conservation of usage of Allosaurus Marsh, 1877 by designation of a neotype for its type species Allosaurus fragilis Marsh, 1877, (Case 3506; see BZN 67: 53–56, 178). Bulletin of Zoological Nomenclature 67(3).

Carrano, M. T., M. A. Loewen and J. J. W. Sertich. in press. New materials of Masiakasaurus knopfleri Sampson, Carrano, and Forster, 2001 and implications for the morphology of the Noasauridae (Theropoda: Ceratosauria). Smithsonian Contributions to Paleobiology.

Zanno, L. E., J. P. Wiersma, M. A. Loewen, S. D. Sampson, and M. A. Getty. in press.  A preliminary report on the theropod dinosaur fauna of the late Campanian Kaiparowits Formation, Grand Staircase-Escalante National Monument, Utah.  Learning from the Land, Grand Staircase-Escalante National Monument Symposium Volume II

Getty, M. A., M. A. Loewen, E. M. Roberts, A. L. Titus and Sampson, S. D. 2010.  Taphonomy of horned dinosaurs (Ornithischia: Ceratopsidae) from the Late Campanian Kaiparowits Formation, Grand Staircase-Escalante National Monument, Utah, In M. J. Ryan, B. J. Chinnery-Allgeier, and D. A. Eberth, eds., New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium, pp. 478 – 494. Bloomington: Indiana University Press.

Loewen, M. A., S. D. Sampson, E. K. Lund, A. A. Farke, C. de Leon, M. C. Aguillón Martínez, R. A. Rodríguez de la Rosa, M. A. Getty, and D. A. Eberth. 2010. Horned dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous (Campanian) Cerro del Pueblo Formation, Coahuila, Mexico. In M. J. Ryan, B. J. Chinnery-Allgeier, and D. A. Eberth, eds., New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium, pp. 99 – 116. Bloomington: Indiana University Press.

Sampson, S. D. and M. A. Loewen. 2010.  Unraveling a radiation: a review of the diversity, stratigraphic distribution, biogeography, and evolution of horned dinosaurs (Ornithischia: Ceratopsidae), In M. J. Ryan, B. J. Chinnery-Allgeier, and D. A. Eberth, eds., New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium, pp. 405 – 427. Bloomington: Indiana University Press.

Sertich, J. J. W., and M. A. Loewen. 2010. A New Basal Sauropodomorph Dinosaur from the Lower Jurassic Navajo Sandstone of Southern Utah. PLoS ONE, 5(3)e9789.

Leggitt, V. L. and M. A. Loewen. 2007. Immature aquatic dipteran impressions preserved in tufa: Eocene Fossil Lake, Wyoming, The Mountain Geologist, 44(2):1-7.

Sampson, S. D. and M. A. Loewen. 2007.  New information on the diversity, stratigraphic distribution, biogeography, and evolution of ceratopsid dinosaurs.  Royal Tyrell Museum Ceratopsian Symposium Short Papers 125-133.

Getty, M. A., M. A. Loewen, A. L. Titus and S. D. Sampson. 2007.  Ceratopsid taphonomy from the Kaiparowits Formation, Grand Staircase-Escalante National Monument, Utah.  Royal Tyrell Museum Ceratopsian Symposium Short Papers 56-60.

Lund, E. K., M. A. Loewen, S. D. Sampson, M. A. Getty, M. C. Aguillón Martinez, R. A Rodriguez de la Rosa and D. A. Eberth. 2007.  Ceratopsian remains from the Late Cretaceous Cerro del Pueblo Formation, Coahuila, Mexico.  Royal Tyrell Museum Ceratopsian Symposium Short Papers 108-113.

Sampson, S. D. and M. A. Loewen. 2005. Tyrannosaurus rex from the Upper Cretaceous (Maastrichtian) North Horn Formation of Utah: biogeographic and paleoecologic implications, Journal of Vertebrate Paleontology, 25(2):469-472.

Leggitt, V. L. and M. A. Loewen. 2002. Eocene Green River Formation “Oocardium tufa” reinterpreted as complex arrays of calcified caddisfly (Insecta: Trichoptera) larval cases, Sedimentary Geology, 148(1-2):139-146.

Loewen, M. A., V. L. Leggitt and H. P. Buchheim. 1999. Caddisfly (Trichoptera) larval cases from Fossil Lake, Eocene Green River Formation, Fossil Butte National Monument, Wyoming, National Park Service Technical Report NPS/NRGRD/GRDTR-99/03:72-77.

Affiliations

  • Utah Museum of Natural History (UMNH), Research Associate, 01/01/2000 - present

In the Media

Geographical Regions of Interest

  • Canada
  • China
  • France
  • Kenya
  • Madagascar
  • Mexico
  • Russian Federation
  • United States of America