Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page or via the Support page.
Dinosaur: Pachyrhinosaurus canadensis
| Length*: | 6.9 m | 22.6 ft |
| Weight*: | 3.9 t | 8,598 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Campanian-Early Maastrichtian
Years: 83.6–66 Ma
Details
Status: valid
Author: Sternberg
Year: 1950
Distribution
Area: North America
Country: Canada
Region: Alberta
Formation: St. Mary River, Horseshoe Canyon
Locations
Sources
Material: Many individuals.
References: Ronald S. Tykoski, Anthony R. Fiorillo & Kentaro Chiba (2019). New data and diagnosis for the Arctic ceratopsid dinosaur Pachyrhinosaurus perotorum.
