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Dinosaur: Augustynolophus morrisi

Length*: | 8.8 m | 28.9 ft |
Weight*: | 3 t | 6,614 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Maastrichtian
Years: 72.1–66 Ma
Details
Status: valid
Author: Prieto-Márquez et al.
Year: 2014
Distribution
Area: North America
Country: USA
Region: California
Formation: Moreno
Locations
Sources
Material: Two partial skeletons with fragmentary skulls.
References: PRIETO-MÁRQUEZ, A., WAGNER, J. R., BELL, P. R., & CHIAPPE, L. M. (2014). The late-surviving “duck-billed” dinosaur Augustynolophus from the upper Maastrichtian of western North America and crest evolution in Saurolophini.