Philip Reese Bjork is an American geologist and paleontologist known for his work in unearthing dinosaur species in America.
Philip R. Bjork | |
|---|---|
| Born | Philip Reese Bjork September 14, 1940 |
| Alma mater | University of Michigan |
| Occupation(s) | Geologist, paleontologist, professor |
Career edit
Bjork received his undergraduate degree at the University of Michigan.[1] Bjork's Master's thesis was on the vertebrate fossils of the Slim Buttes.[2] He was a professor at the South Dakota School of Mines and Technology[1] in Rapid City, South Dakota, as well as serving as director of their Museum of Geology[3] from 1975 to 2000.[2] His academic focus was on Cretaceous dinosaurs and mammals from the Cretaceous and early Cenozoic.
Highlights edit
- 1975
- Bjork described a fossil of Proscalops tertius, an extinct insectivoran, that he had found in Oligocene deposits in the Badlands National Park.[4]
- 1985
- He announced the find of remains of at least ten duck-billed dinosaurs in western South Dakota.[5]
- 1989
- Bjork reported the discovery of Dakotadon, originally believed to be the first remains of Iguanodon found in North America, in the Lakota Formation of South Dakota;[6] the remains included the skull, partial mandible, and incomplete caudal and dorsal vertebrae.[7][8]
Selected publications edit
- Bjork, Philip R. (January 1967). "Latest Eocene Vertebrates from Northwestern South Dakota". Journal of Paleontology. 41 (1). SEPM Society for Sedimentary Geology: 227–236. ISSN 0022-3360. JSTOR 1301919.
- Bjork, Philip R. (1970). "The Carnivora of the Hagerman Local Fauna (Late Pliocene) of Southwestern Idaho". Transactions of the American Philosophical Society. 60 (7). American Philosophical Society: 3–54. doi:10.2307/1006119. JSTOR 1006119.
References edit
- ^ a b SDSM&T 1998-99 Undergraduate and Graduate Catalog (PDF). South Dakota: South Dakota School of Mines and Technology. 1998. p. 316. Retrieved 2009-11-24.
- ^ a b Macdonald, J. R.; Minkler, Heidi; Martin, James. "Museum of Geology History". South Dakota Museum of Geology. Retrieved 24 November 2009.
- ^ Bowman, John Stewart (1986). The World Almanac of the American West. New York, NY: Ballantine Books. p. 355. ISBN 0-345-33720-4.
- ^ Bjork, Philip R. (September 1975). "Observations on Proscalops tertius (Mammalia: Insectivora) of the Upper Oligocene of South Dakota". Journal of Paleontology. 49 (5). SEPM Society for Sedimentary Geology: 808–813. ISSN 0022-3360. JSTOR 1303274.
- ^ "Dinosaur Remains Found in S. Dakota". San Jose Mercury News. August 30, 1985. pp. 13A. Retrieved 24 November 2009.
- ^ Weishampel, David B.; Bjork, Philip R. (March 30, 1989). "The First Indisputable Remains of Iguanodon (Ornithischia: Ornithopoda) from North America: Iguanodon lakotaensis, sp. nov". Journal of Vertebrate Paleontology. 9 (1). Society of Vertebrate Paleontology: 56–66. doi:10.1080/02724634.1989.10011738. ISSN 0272-4634. JSTOR 4523237.
- ^ Weishampel, David B.; Osmólska, Halszka; Dodson, Peter (2004). The Dinosauria. Berkeley: University of California Press. p. 416. ISBN 978-0-520-24209-8. Retrieved 2009-11-24.
- ^ Tanke, Darren H.; Carpenter, Kenneth; Skrepnick, Michael William (2001). Mesozoic Vertebrate Life. Bloomington: Indiana University Press. p. 185. ISBN 978-0-253-33907-2. Retrieved 2009-11-24.