Temporal range: Miocene
|Range of Prosynthetoceras based on fossil record|
Prosynthetoceras is an extinct genus of Artiodactyla, of the family Protoceratidae, endemic to North America from the early Miocene epoch (Hemingfordian to Barstovian stages) 20.6—13.6 Ma, existing for approximately .
Prosynthetoceras was named by Patton (1967) [named as subgenus of Synthetoceras by Frick 1937; raised to genus level (?)]. It is not extant. It was assigned to Protoceratidae by Patton (1967) and Carroll (1988); and to Synthetoceratini by Webb (1981), Prothero (1998), Webb et al. (2003) and Prothero and Ludtke (2007).
- Specimen 1: 95.5 kg (210 lb)
- Specimen 2: 88.2 kg (190 lb)
- Specimen 3: 108.2 kg (240 lb)
- Specimen 4: 78.9 kg (170 lb)
- PaleoBiology Database: Prosynthetoceras, basic info
- T. H. Patton. 1967. Quarterly Journal of the Florida Academy of Sciences 29(3)
- R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698
- S. D. Webb, B. L. Beatty, and G. Poinar, Jr. 2003. New evidence of Miocene Protoceratidae including a new species from Chiapas, Mexico. Bulletin of the American Museum of Natural History 279:348-367
- 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