Genus · Theropods · Jurassic
Dilophosaurus
Named by Welles 1970
Dilophosaurus lived 199.5–184.2 million years ago, during the Sinemurian to Pliensbachian stages of the Early Jurassic. The Paleobiology Database lists 14 fossil records for it from 2 countries (United States and India) — the 84th 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: 93% of its records are from the Kayenta Formation.
- Scutellosaurus appears in 29% of the collections that hold Dilophosaurus.
- Its stage range spans about 15.3 million years (34th longest of 99); it is the 26th best-recorded of the 32 theropods here.
1 accepted species
Dilophosaurus has a single accepted species in PBDB.
| Species | Named by | Records |
|---|---|---|
| Dilophosaurus wetherilli | Welles 1954 | 10 |
Where it was found
14 records with coordinates.
Found alongside
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| Arizona | 12 | 86% |
| Andhra Pradesh | 1 | 7% |
| Utah | 1 | 7% |
| Country | Records | Share |
|---|---|---|
| United States | 13 | 93% |
| India | 1 | 7% |
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 |
|---|---|---|---|
| Coelophysis | 205.7–192.9 Ma | United States | 26 |
| Sinosaurus | 201.4–192.9 Ma | China | 16 |
Data: PBDB taxon 38522 · method