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. 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: Monoclonius crassus
Cretaceous: 83.6–72.1 Ma

Length*: | 5 m | 16.4 ft |
Weight*: | 1.6 t | 3,527 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: nomen dubium
Author: Cope
Year: 1876
Distribution
Area: North America
Country: USA
Region: Montana
Formation: Judith River
Locations
Sources
Material: Parietal, other material- postcrania ?, other skull fragments ? (problematic).
References: Dodson, P. (1990). On the status of the ceratopsids Monoclonius and Centrosaurus.
________________________