Genus · Dromaeosauridae · Cretaceous
Dromaeosaurus
Named by Matthew and Brown 1922
Dromaeosaurus lived 83.6–66 million years ago, during the Campanian to Maastrichtian stages of the Late Cretaceous. The Paleobiology Database lists 48 fossil records for it from 4 countries (Canada, United States and Russia and others) — the 19th 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 10 formations; the largest share, 31%, is from the Dinosaur Park Formation.
- It is one of the more widespread genera here: records from 4 countries, 11th of 99.
- Saurornitholestes appears in 56% of the collections that hold Dromaeosaurus; Troodon in 48%.
- Its stage range spans about 17.6 million years (15th longest of 99); it is the 7th best-recorded of the 32 theropods here.
2 accepted species
| Species | Named by | Records |
|---|---|---|
| Dromaeosaurus albertensis | Matthew and Brown 1922 | 20 |
| Dromaeosaurus explanatus | Cope 1876 | 1 |
Where it was found
48 records with coordinates.
Found alongside
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| Alberta | 25 | 52% |
| Montana | 6 | 12% |
| Wyoming | 5 | 10% |
| Alaska | 4 | 8% |
| Colorado | 2 | 4% |
| Saskatchewan | 2 | 4% |
| South Dakota | 2 | 4% |
| Amur | 1 | 2% |
| Country | Records | Share |
|---|---|---|
| Canada | 27 | 56% |
| United States | 19 | 40% |
| Russia | 1 | 2% |
| Uzbekistan | 1 | 2% |
Records by stage
Well-dated records, by the stage of their mid-point age.
Depositional settings
Other theropods of its time
Same group, overlapping stage range, not found in the same collections.
| Genus | Age | Country | Records |
|---|---|---|---|
| Tarbosaurus | 72.1–66 Ma | Mongolia, China | 56 |
| Ornithomimus | 83.6–66 Ma | United States, Canada | 35 |
| 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 |
| Daspletosaurus | 83.6–72.1 Ma | United States, Canada | 21 |
Also from these formations
Data: PBDB taxon 38566 · method