About Edmontosaurus fossils
Edmontosaurus is a genus of ornithischians, the horned, armoured and duck-billed group. The database records 2 species of it: Edmontosaurus annectens and Edmontosaurus regalis.
The 85 finds on the map come from 2 countries. The United States has the most, with 66 (78%). Within the United States the most finds are in Montana (25), Wyoming (25), South Dakota (8), North Dakota (3) and 3 more.
The rock formation with the most finds is called Hell Creek, with 33. The rocks are 89.8 to 66 million years ago, in the Cretaceous period.
Genus of ornithopod dinosaurs (Ornithopoda). (Description from Wikidata, CC0.)
Read about Edmontosaurus on Wikipedia.
- 85finds
- 2countries
- 89.8oldest, million years ago
- 66youngest, million years ago
10% of these finds are marked approximate in the database, so their dots may sit some way from the real site.
Which countries have Edmontosaurus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 66 | 78% |
| Canada | 19 | 22% |
US states
- Montana (25)
- Wyoming (25)
- South Dakota (8)
- North Dakota (3)
- Alaska (2)
- Colorado (2)
- New Jersey (1)
Rock formations that produced Edmontosaurus
A formation is a named body of rock. These are the ones with the most Edmontosaurus finds.
| Formation | Finds |
|---|---|
| Hell Creek | 33 |
| Lance | 28 |
| Horseshoe Canyon | 11 |
| Frenchman | 2 |
| Laramie | 2 |
| St. Mary River | 2 |
| Marshalltown | 1 |
| Prince Creek | 1 |
| Schrader Bluff | 1 |
| Wapiti | 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)
- 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 Edmontosaurus
Where was Edmontosaurus found?
Edmontosaurus fossils are recorded in the Paleobiology Database from United States and Canada. Most of the 85 finds on this map (66) are from United States. The rock formation with the most finds is the Hell Creek (33).
How old are Edmontosaurus fossils?
Finds of Edmontosaurus on this map date from 89.8 to 66 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 Edmontosaurus 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.