Dinosaur fossils in Oklahoma
The Paleobiology Database records 62 non-avian dinosaur finds in Oklahoma, from 14 genera. The oldest is Allosaurus fragilis from the Late Kimmeridgian age, about 152.2 million years old. The youngest is Sauroposeidon proteles from the Aptian age, as young as about 100.5 million years. Ages are the range the database gives for the rocks, so a find can be tens of millions of years across.
- 62finds
- 14genera
- 152.2oldest, million years ago
- 100.5youngest, million years ago
It ranks 11th of 36 US states on the map by number of finds, with 1% of the finds in the United States. The most recorded dinosaurs are Tenontosaurus (6), Acrocanthosaurus (5) and Camptosaurus (5). The rock formation with the most finds is called Morrison, with 42.
Which dinosaurs were found in Oklahoma?
The genera with the most finds here:
| Dinosaur | Finds |
|---|---|
| Tenontosaurus | 6 |
| Acrocanthosaurus | 5 |
| Camptosaurus | 5 |
| Allosaurus | 4 |
| Apatosaurus | 4 |
| Deinonychus | 4 |
| Stegosaurus | 4 |
| Diplodocus | 3 |
| Camarasaurus | 2 |
| Ceratosaurus | 2 |
Rock formations with dinosaur finds in Oklahoma
| Formation | Finds |
|---|---|
| Morrison | 42 |
| Antlers | 20 |
Other US states to explore
- Wyoming (1,040)
- Montana (985)
- New Mexico (832)
- Utah (602)
- Colorado (484)
- Texas (448)
- North Dakota (237)
- Arizona (167)
- South Dakota (167)
- New Jersey (70)
See the sea floor where marine reptiles swam: oceanfloormap.com →
Before you go fossil hunting. A dot shows where a find was recorded, not where you may dig. Many fossil sites are on private or protected land and collecting rules differ by country. Check the rules before collecting and never dig on protected sites.