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Dinosaur: Gorgosaurus libratus

Length*: | 9.3 m | 30.5 ft |
Weight*: | 2.9 t | 6,393 lb |
Speed: | 41 km/h | 25 mph |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: valid
Author: Lambe
Year: 1914
Distribution
Area: North America
Country: Canada
Region: Alberta, Montana
Formation: Dinosaur Park, Judith River
Locations
Sources
Material: Many skeletons and skulls (include almost complete skeleton with skull).
References: Currie (2003) Cranial anatomy of tyrannosaurid dinosaurs from the Late Cretaceous of Alberta, Canada.Mortimer - Theropod database (online).