AnkylopollexiaCerapodaDinosauriaGenasauriaHadrosauridaeHadrosauriformesHadrosauroideaHadrosauromorphaIguanodontiaLate CretaceousNeornithischiaNorth AmericaOrnithischiaOrnithopodaSaurolophinaeSaurolophiniStyracosterna

Augustynolophus morrisi

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Dinosaur: Augustynolophus morrisi

Cretaceous: 72.1–66 Ma
Type: Ornithopod

Length*:8.8 m28.9 ft
Weight*:3 t6,614 lb
ESR: 3 / 4 (estimated size reliability)
*The largest known specimen



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.

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