Genus · Ankylosauridae · Cretaceous
Euoplocephalus
Named by Lambe 1910
Euoplocephalus lived 83.6–72.1 million years ago, during the Campanian stage of the Late Cretaceous. The Paleobiology Database lists 18 fossil records for it from 3 countries (Canada, United States and China) — the 69th most of the 99 genera on this site.
Where it sits in time
Key facts from the records
- Its records are spread over at least 8 formations; the largest share, 44%, is from the Dinosaur Park Formation.
- It is one of the more widespread genera here: records from 3 countries, 26th of 99.
- Stegoceras appears in 17% of the collections that hold Euoplocephalus; Albertosaurus in 6%.
- Its stage range spans about 11.5 million years (36th longest of 99); it is the 8th best-recorded of the 14 armoured & plated dinosaurs here.
1 accepted species
Euoplocephalus has a single accepted species in PBDB.
| Species | Named by | Records |
|---|---|---|
| Euoplocephalus tutus | Lambe 1902 | 6 |
Where it was found
18 records with coordinates.
Found alongside
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| Alberta | 11 | 61% |
| Montana | 6 | 33% |
| Xinjiang | 1 | 6% |
| Country | Records | Share |
|---|---|---|
| Canada | 11 | 61% |
| United States | 6 | 33% |
| China | 1 | 6% |
Records by stage
Well-dated records, by the stage of their mid-point age.
Other armoured & plated dinosaurs of its time
Same group, overlapping stage range, not found in the same collections.
| Genus | Age | Country | Records |
|---|---|---|---|
| Pinacosaurus | 83.6–72.1 Ma | Mongolia, China | 24 |
| Struthiosaurus | 83.6–66 Ma | Romania, Austria | 23 |
| Panoplosaurus | 83.6–66 Ma | United States, Canada | 15 |
| Anodontosaurus | 83.6–66 Ma | Canada | 14 |
Also from these formations
Data: PBDB taxon 38838 · method