Genus · Protoceratopsidae · Cretaceous
Protoceratops
Named by Granger and Gregory 1923
Protoceratops lived 83.6–72.1 million years ago, during the Campanian stage of the Late Cretaceous. The Paleobiology Database lists 38 fossil records for it from 2 countries (Mongolia and China) — the 27th most of the 99 genera on this site.
Where it sits in time
Key facts from the records
- Most of what is known comes from one rock unit: 61% of its records are from the Djadokhta Formation.
- Pinacosaurus appears in 42% of the collections that hold Protoceratops; Velociraptor in 33%.
- Its stage range spans about 11.5 million years (36th longest of 99); it is the 4th best-recorded of the 11 horned dinosaurs here.
2 accepted species
| Species | Named by | Records |
|---|---|---|
| Protoceratops andrewsi | Granger and Gregory 1923 | 19 |
| Protoceratops hellenikorhinus | Lambert et al. 2001 | 6 |
Where it was found
38 records with coordinates.
Found alongside
Rock formations
Depositional settings
Rock settings recorded for its fossil sites, where known.
Other horned dinosaurs of its time
Same group, overlapping stage range, not found in the same collections.
| Genus | Age | Country | Records |
|---|---|---|---|
| Centrosaurus | 83.6–72.1 Ma | Canada, United States | 57 |
| Chasmosaurus | 83.6–72.1 Ma | Canada, United States | 21 |
| Agujaceratops | 83.6–72.1 Ma | United States, Mexico | 16 |
| Pachyrhinosaurus | 83.6–66 Ma | Canada, United States | 16 |
| Pentaceratops | 83.6–72.1 Ma | United States | 14 |
| Monoclonius | 83.6–72.1 Ma | United States, Canada | 13 |
Also from these formations
Data: PBDB taxon 38848 · method