DinoDigMonoclonius crassus
- Time
- 72.2–83.6 million years ago
- Period
- Unknown
- Known sites
- 2
Summary
Monoclonius is an extinct dubious genus of herbivorous ceratopsian dinosaur found in the Late Cretaceous layers of the Judith River Formation in Montana, United States, and the uppermost rock layers of the Dinosaur Park Formation in Alberta, Canada dated to between 75 and 74.6 million years ago.
Source: Wikipedia - Monoclonius
Known Sites
Loading known-site map...