Temporal range: Eocene
|Range of Poabromylus based on fossil record|
Poabromylus is a small extinct genus of Artiodactyla, of the family Protoceratidae, endemic to North America from the Eocene epoch (Uintan to Chadronian stage) 46.2—33.9 Ma, existing for approximately .
Poabromylus was named by Peterson (1931). Its type is Poabromylus kayi. It was assigned to Protoceratidae by Peterson (1931), Carroll (1988), Prothero (1998) and Prothero and Ludtke (2007).
Poabromylus resembled deer. However they were more closely related to camelids. In addition to having horns in the more usual place, protoceratids had additional, rostral horns above the orbital cavity.
- Specimen 1: 19.6 kg (43 lb)
- Specimen 2: 25.9 kg (57 lb)
- Specimen 3: 12.8 kg (28 lb)
Fossils have been recovered from:
- Big Red Horizon, Chambers Tuff Formation, Presidio County, Texas
- Titus Canyon, Titus Canyon Formation, Inyo County, California
- Titanothere Quarry, Duchesne River Formation, Uintah County, Utah
- Badwater Locality, Wagon Bed Formation, Natrona County, Wyoming
- PaleoBiology Database: Poabromylus, basic info
- O. A. Peterson. 1931. Annals of Carnegie Museum 21(2):61-78
- O. A. Peterson. 1919. Annals of Carnegie Museum 12(2)
- R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698
- D. R. Prothero and J. A. Ludtke. 2007. Family Protoceratidae. in D. R. Prothero and S. Foss (eds.), The Evolution of Artiodactyls 169-176
- M. Mendoza, C. M. Janis, and P. Palmqvist. 2006. Estimating the body mass of extinct ungulates: a study on the use of multiple regression. Journal of Zoology 270(1):90-101
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