About Claosaurus fossils
Claosaurus is a genus of ornithischians, the horned, armoured and duck-billed group. The database records one species of it: Claosaurus agilis.
All 3 finds on the map are in United States. Within the United States the most finds are in Kansas (1), Montana (1) and South Dakota (1).
The rock formation with the most finds is called Pierre Shale, with 2. The rocks are 89.8 to 72.2 million years ago, in the Cretaceous period.
Genus of reptiles (fossil). (Description from Wikidata, CC0.)
Read about Claosaurus on Wikipedia.
- 3finds
- 1country
- 89.8oldest, million years ago
- 72.2youngest, million years ago
30% of these finds are marked approximate in the database, so their dots may sit some way from the real site.
Which countries have Claosaurus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 3 | 100% |
US states
- Kansas (1)
- Montana (1)
- South Dakota (1)
Rock formations that produced Claosaurus
A formation is a named body of rock. These are the ones with the most Claosaurus finds.
| Formation | Finds |
|---|---|
| Pierre Shale | 2 |
| Niobrara | 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 Claosaurus
Where was Claosaurus found?
Claosaurus fossils are recorded in the Paleobiology Database from United States. Most of the 3 finds on this map (3) are from United States. The rock formation with the most finds is the Pierre Shale (2).
How old are Claosaurus fossils?
Finds of Claosaurus on this map date from 89.8 to 72.2 million years ago, which is the Cretaceous period. Ages are ranges, because rock layers are dated to a stage and not to a single year.
Where can I see Claosaurus 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.