Genus · Theropods · Cretaceous
Dryptosaurus
Named by Marsh 1877
Dryptosaurus lived 83.6–66 million years ago, during the Campanian to Maastrichtian stages of the Late Cretaceous. The Paleobiology Database lists 13 fossil records for it from 1 country (United States) — the 91st 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, 46%, is from the Lance Formation.
- Every record is from United States; New Jersey alone has 6 of them.
- Edmontosaurus appears in 33% of the collections that hold Dryptosaurus; Troodon in 17%.
- Its stage range spans about 17.6 million years (15th longest of 99); it is the 30th best-recorded of the 32 theropods here.
1 accepted species
Dryptosaurus has a single accepted species in PBDB.
| Species | Named by | Records |
|---|---|---|
| Dryptosaurus aquilunguis | Cope 1866 | 2 |
Where it was found
13 records with coordinates.
Found alongside
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| New Jersey | 6 | 46% |
| Wyoming | 6 | 46% |
| Texas | 1 | 8% |
Records by stage
Well-dated records, by the stage of their mid-point age.
Other theropods of its time
Same group, overlapping stage range, not found in the same collections.
| Genus | Age | Country | Records |
|---|---|---|---|
| Saurornitholestes | 83.6–66 Ma | Canada, United States | 148 |
| Tarbosaurus | 72.1–66 Ma | Mongolia, China | 56 |
| Dromaeosaurus | 83.6–66 Ma | Canada, United States | 48 |
| Albertosaurus | 83.6–66 Ma | Canada, United States | 32 |
| Gallimimus | 72.1–66 Ma | Mongolia, Uzbekistan | 30 |
| Masiakasaurus | 72.1–66 Ma | Madagascar | 29 |
| Chirostenotes | 83.6–66 Ma | United States, Canada | 28 |
| Majungasaurus | 72.1–66 Ma | Madagascar | 25 |
Also from these formations
Data: PBDB taxon 38605 · method