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Dinosaur: Triceratops prorsus
| Length*: | 8.4 m | 27.6 ft |
| Weight*: | 8.1 t | 17,857 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Maastrichtian
Years: 72.1–66 Ma
Details
Status: valid
Author: Marsh
Year: 1890
Distribution
Area: North America
Country: USA, Canada
Region: Wyoming, Montana, South Dakota, North Dakota, Saskatchewan, Alberta
Formation: Lance, Hell Creek, Frenchman, Scollard, Evanston
Locations
Sources
Material: At least several dozen individuals
References: Ostrom, J. H. & Wellnhofer, P. (1986) "The Munich specimen of Triceratops with a revision of the genus".Scannella, John B.; Fowler, Denver W.; Goodwin, Mark B.; Horner, John R. (2014). "Evolutionary trends in Triceratops from the Hell Creek Formation, Montana".Ryan et al. (2010). New Perspectives on Horned Dinosaurs.Weishampel, D. B., Dodson, P., Osmólska, H., & Hilton, Richard P. (2004). The Dinosauria.
