About Brontosaurus fossils
Brontosaurus is a genus of sauropodomorphs, the long-necked group and its relatives. The database records 3 species of it: Brontosaurus excelsus, Brontosaurus parvus and Brontosaurus yahnahpin.
All 23 finds on the map are in United States. Within the United States the most finds are in Wyoming (16), Colorado (4), Montana (1), Oklahoma (1) and 1 more.
The rock formation with the most finds is called Morrison, with 23. The rocks are 154.8 to 143.1 million years ago, in the Jurassic period.
Genus of apatosaurs. (Description from Wikidata, CC0.)
Read about Brontosaurus on Wikipedia.
- 23finds
- 1country
- 154.8oldest, million years ago
- 143.1youngest, million years ago
Which countries have Brontosaurus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 23 | 100% |
US states
Rock formations that produced Brontosaurus
A formation is a named body of rock. These are the ones with the most Brontosaurus finds.
| Formation | Finds |
|---|---|
| Morrison | 23 |
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 Brontosaurus
Where was Brontosaurus found?
Brontosaurus fossils are recorded in the Paleobiology Database from United States. Most of the 23 finds on this map (23) are from United States. The rock formation with the most finds is the Morrison (23).
How old are Brontosaurus fossils?
Finds of Brontosaurus 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 Brontosaurus 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.