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Dinosaur: Acrotholus audeti

Length*: | 2.4 m | 7.9 ft |
Weight*: | 60 kg | 132 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Santonian
Years: 86.3–83.6 Ma
Details
Status: valid
Author: Evans et al.
Year: 2013
Distribution
Area: North America
Country: Canada
Region: Alberta
Formation: Milk River
Locations
Sources
Material: Two (three ?) frontoparietal domes.
References: Evans, D. C.; Schott, R. K.; Larson, D. W.; Brown, C. M.; Ryan, M. J. (2013). "The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs".