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Dinosaur: Edmontosaurus annectens
| Length*: | 15 m | 49.2 ft |
| Weight*: | 14.5 t | 31,967 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Maastrichtian
Years: 72.1–66 Ma
Details
Status: valid
Author: (Marsh) Brett-Surman
Year: (1892)
1990
Distribution
Area: North America
Country: USA, Canada
Region: Wyoming, Montana, South Dakota, North Dakota, Colorado, Alberta, Saskatchewan
Formation: Lance, Hell Creek, Laramie, Scollard, Frenchman
Locations
Sources
Material: Many individuals (Uncounted), bonebeds. Complete skeletons with skulls and also soft tissue.
References: Campione, N.E. & Evans, D.C. (2011) "Cranial Growth and Variation in Edmontosaurs (Dinosauria: Hadrosauridae): Implications for Latest Cretaceous Megaherbivore Diversity in North America".
Bell, P.R. Fanti, F., Currie, P.J. & Arbour, V.M. (2014) "A Mummified Duck-Billed Dinosaur with a Soft-Tissue Cock’s Comb".
