About Hesperosaurus fossils
Hesperosaurus is a genus of ornithischians, the horned, armoured and duck-billed group. The database records one species of it: Hesperosaurus mjosi.
All 8 finds on the map are in United States. Within the United States the most finds are in Wyoming (5) and Montana (3).
The rock formation with the most finds is called Morrison, with 8. The rocks are 157.9 to 143.1 million years ago, in the Jurassic period.
Genus of reptiles (fossil). (Description from Wikidata, CC0.)
Read about Hesperosaurus on Wikipedia.
- 8finds
- 1country
- 157.9oldest, million years ago
- 143.1youngest, million years ago
Which countries have Hesperosaurus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 8 | 100% |
US states
Rock formations that produced Hesperosaurus
A formation is a named body of rock. These are the ones with the most Hesperosaurus finds.
| Formation | Finds |
|---|---|
| Morrison | 8 |
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 Hesperosaurus
Where was Hesperosaurus found?
Hesperosaurus fossils are recorded in the Paleobiology Database from United States. Most of the 8 finds on this map (8) are from United States. The rock formation with the most finds is the Morrison (8).
How old are Hesperosaurus fossils?
Finds of Hesperosaurus on this map date from 157.9 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 Hesperosaurus 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.