About Dryosaurus fossils
Dryosaurus is a genus of ornithischians, the horned, armoured and duck-billed group. The database records 2 species of it: Dryosaurus altus and Dryosaurus elderae.
The 24 finds on the map come from 4 countries. The United States has the most, with 21 (88%). Within the United States the most finds are in Colorado (7), Utah (7) and Wyoming (7).
The rock formation with the most finds is called Morrison, with 21. The rocks are 154.8 to 143.1 million years ago, in the Jurassic period.
Genus of reptiles (fossil). (Description from Wikidata, CC0.)
Read about Dryosaurus on Wikipedia.
- 24finds
- 4countries
- 154.8oldest, million years ago
- 143.1youngest, million years ago
Which countries have Dryosaurus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 21 | 88% |
| France | 1 | 4% |
| Germany | 1 | 4% |
| Portugal | 1 | 4% |
US states
Rock formations that produced Dryosaurus
A formation is a named body of rock. These are the ones with the most Dryosaurus finds.
| Formation | Finds |
|---|---|
| Morrison | 21 |
| Lourinhã | 1 |
| Marnes de Bléville | 1 |
| Süntel | 1 |
Other dinosaurs found in United States
- Richardoestesia (239)
- Triceratops (166)
- Saurornitholestes (148)
- Allosaurus (147)
- Paronychodon (141)
- Camarasaurus (138)
- Iguanodon (132)
- Troodon (103)
- Stegosaurus (86)
- Edmontosaurus (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 Dryosaurus
Where was Dryosaurus found?
Dryosaurus fossils are recorded in the Paleobiology Database from United States, France, Germany and Portugal. Most of the 24 finds on this map (21) are from United States. The rock formation with the most finds is the Morrison (21).
How old are Dryosaurus fossils?
Finds of Dryosaurus on this map date from 154.8 to 143.1 million years ago, which is the Jurassic period. Ages are ranges, because rock layers are dated to a stage and not to a single year.
Where can I see Dryosaurus 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.