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Dinosaur: Hypacrosaurus stebingeri
| Length*: | 10.5 m | 34.4 ft |
| Weight*: | 5.5 t | 12,125 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: valid
Author: Horner & Currie
Year: 1994
Distribution
Area: North America
Country: USA, Canada
Region: Montana, Alberta
Formation: Two Medicine, Oldman
Locations
Sources
Material: Many skeletons and skulls (juvenile to adult and also embryonic individuals).
References: Evans, D. C. (2010). Cranial anatomy and systematics of Hypacrosaurus altispinus, and a comparative analysis of skull growth in lambeosaurine hadrosaurids (Dinosauria: Ornithischia).
