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Dinosaur: Chasmosaurus irvinensis
| Length*: | 4.6 m | 15.1 ft |
| Weight*: | 1000 kg | 2,205 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: valid
Author: Holmes et al.
Year: 2001
Distribution
Area: North America
Country: Canada
Region: Alberta
Formation: Dinosaur Park
Sources
Material: Mostly complete skull and skeleton, referred three skulls.
References: Campbell et al.. (2019). Temporal range extension and evolution of the chasmosaurine ceratopsid “Vagaceratops” irvinensis (Dinosauria: Ornithischia) in the Upper Cretaceous (Campanian) Dinosaur Park Formation of Alberta.
