Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page or via the Support page.
Dinosaur: Orodromeus makelai
| Length*: | 1.55 m | 5.1 ft |
| Weight*: | 7 kg | 15 lb |
| Speed: | 20 km/h | 12 mph |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle Campanian
Years: 83.6–72.1 Ma
Details
Status: valid
Author: Horner & Weishampel
Year: 1988
Distribution
Area: North America
Country: USA
Region: Montana
Formation: Two Medicine, Judith River
Locations
Sources
Material: At least several individuals (include almost complete skeleton).
References: Scheetz, R.D., (1999), Osteology of Orodromeus makelai and the phylogeny of basal ornithopod dinosaurs D. Ph.
