Dinosaur: "Hadrosaurus" breviceps
Cretaceous: 83.6–72.1 Ma
| Length*: | 13.7 m | 44.9 ft |
| Weight*: | 10 tons | 22,046 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: nomen dubium
Author: Marsh
Year: 1889
Distribution
Area: North America
Country: USA
Region: Montana
Formation: Judith River
Sources
Material: Partial dentary.
References: Prieto-Marquez, A., Weishampel, D.B., and Horner, J.R. (2006). "The dinosaur Hadrosaurus foulkii, from the Campanian of the East Coast of North America, with a reevaluation of the genus.".
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