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Dinosaur: Prosaurolophus maximus
| Length*: | 9.3 m | 30.5 ft |
| Weight*: | 3.5 t | 7,716 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: valid
Author: Brown
Year: 1916
Distribution
Area: North America
Country: Canada, USA
Region: Alberta, Montana
Formation: Dinosaur Park, Bearpaw, Two Medicine
Locations
Sources
Material: At least over a dozen individuals (include skulls).
References: Drysdale et al. (2019). Description of juvenile specimens of Prosaurolophus maximus (Hadrosauridae: Saurolophinae) from the Upper Cretaceous Bearpaw Formation of southern Alberta, Canada, reveals ontogenetic changes in crest morphology.
McGarrity, C. T.; Campione, N. E.; Evans, D. C. (2013). "Cranial anatomy and variation in Prosaurolophus maximus (Dinosauria: Hadrosauridae)".
