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Dinosaur: Pentaceratops aquilonius

Length*: | 4 m | 13.1 ft |
Weight*: | 1.2 t | 2,646 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Campanian
Years: 83.6–72.1 Ma
Details
Status: nomen dubium
Author: Longrich
Year: 2014
Distribution
Area: North America
Country: Canada, USA
Region: Alberta, Colorado
Formation: Dinosaur Park, Williams Fork
Sources
Material: Skull fragments, referred partial skull (this skull may belong to Pentaceratops sternbergii) ?
References: Longrich, N. R. (2014). The horned dinosaurs Pentaceratops and Kosmoceratops from the upper Campanian of Alberta and implications for dinosaur biogeography.