About Stegosaurus fossils
Stegosaurus is a genus of ornithischians, the horned, armoured and duck-billed group. The database records 6 species of it: Diracodon laticeps, Hypsirophus discurus, Stegosaurus duplex, Stegosaurus stenops, Stegosaurus sulcatus and Stegosaurus ungulatus.
The 86 finds on the map come from 3 countries. The United States has the most, with 83 (97%). Within the United States the most finds are in Wyoming (40), Colorado (24), Utah (12), Oklahoma (4) and 2 more.
The rock formation with the most finds is called Morrison, with 82. The rocks are 161.5 to 93.9 million years ago, in the Jurassic and Cretaceous periods.
Extinct genus of ornithischian dinosaurs (Ornithischia). (Description from Wikidata, CC0.)
Read about Stegosaurus on Wikipedia.
- 86finds
- 3countries
- 161.5oldest, million years ago
- 93.9youngest, million years ago
Which countries have Stegosaurus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 83 | 97% |
| Portugal | 2 | 2% |
| China | 1 | 1% |
US states
Rock formations that produced Stegosaurus
A formation is a named body of rock. These are the ones with the most Stegosaurus finds.
| Formation | Finds |
|---|---|
| Morrison | 82 |
| Alcobaça | 1 |
| Cedar Mountain | 1 |
| Praia da Amoreira-Porto Novo | 1 |
| Upper | 1 |
Other dinosaurs found in United States
- Richardoestesia (239)
- Triceratops (166)
- Saurornitholestes (148)
- Allosaurus (147)
- Paronychodon (141)
- Camarasaurus (138)
- Iguanodon (132)
- Troodon (103)
- Edmontosaurus (85)
- Tyrannosaurus (85)
More to explore
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.
Questions about Stegosaurus
Where was Stegosaurus found?
Stegosaurus fossils are recorded in the Paleobiology Database from United States, Portugal and China. Most of the 86 finds on this map (83) are from United States. The rock formation with the most finds is the Morrison (82).
How old are Stegosaurus fossils?
Finds of Stegosaurus on this map date from 161.5 to 93.9 million years ago, which is the Jurassic and Cretaceous periods. Ages are ranges, because rock layers are dated to a stage and not to a single year.
Where can I see Stegosaurus fossils near me?
Open the map and press Near me to list the nearest dinosaur finds and the most notable dinosaurs found around you. Remember that a dot shows where scientists recorded a find, not where you can dig: many fossil sites are on private or protected land, so check the rules before collecting and never dig on protected sites.