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Dinosaur: "Monoclonius" recurvicornis
Cretaceous: 83.6–72.1 Ma
| Length*: | 5.6 m | 18.4 ft |
| Weight*: | 2 t | 4,409 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: 1889
Distribution
Area: North America
Country: USA
Region: Montana
Formation: Judith River
Sources
Material: Braincase, orbital, and nasal horncores.
References: Dodson, P. (1990). On the status of the ceratopsids Monoclonius and Centrosaurus.
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