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Dinosaur: Maiasaura peeblesorum
| Length*: | 8.4 m | 27.6 ft |
| Weight*: | 2.3 t | 5,071 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Campanian
Years: 83.6–72.1 Ma
Details
Status: valid
Author: Horner & Makela
Year: 1979
Distribution
Area: North America
Country: USA, Canada
Region: Montana, Alberta
Formation: Two Medicine, Oldman
Locations
Sources
Material: More than 200 individuals in all age ranges.
References: Albert Prieto-Marquez and Merrilee F. Guenther (2018). Perinatal specimens of Maiasaura from the Upper Cretaceous of Montana (USA): insights into the early ontogeny of saurolophine hadrosaurid dinosaurs.
