Genus · Carcharodontosauridae · Cretaceous
Acrocanthosaurus
Named by Stovall and Langston 1950
Acrocanthosaurus lived 121.4–113.2 million years ago, during the Aptian stage of the Early Cretaceous. The Paleobiology Database lists 14 fossil records for it from 1 country (United States) — the 84th 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 7 formations; the largest share, 36%, is from the Antlers Formation.
- Every record is from United States; Oklahoma alone has 5 of them.
- Deinonychus appears in 58% of the collections that hold Acrocanthosaurus; Tenontosaurus in 33%.
- Its stage range spans about 8.2 million years (74th longest of 99); it is the 26th best-recorded of the 32 theropods here.
1 accepted species
Acrocanthosaurus has a single accepted species in PBDB.
| Species | Named by | Records |
|---|---|---|
| Acrocanthosaurus atokensis | Stovall and Langston 1950 | 9 |
Where it was found
14 records with coordinates.
Found alongside
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| Oklahoma | 5 | 36% |
| Wyoming | 3 | 21% |
| Maryland | 2 | 14% |
| Texas | 1 | 7% |
| Arizona | 1 | 7% |
| Utah | 1 | 7% |
| Arkansas | 1 | 7% |
Other theropods of its time
Same group, overlapping stage range, not found in the same collections.
| Genus | Age | Country | Records |
|---|---|---|---|
| Megalosaurus | 168.2–113.2 Ma | United Kingdom, France | 60 |
| Carcharodontosaurus | 121.4–93.9 Ma | Algeria, Morocco | 44 |
Data: PBDB taxon 38597 · method