About Troodon fossils
Troodon is a genus of theropods, the mostly meat-eating group. The database records one species of it: Troodon formosus.
The 103 finds on the map come from 4 countries. Canada has the most, with 56 (54%). Within the United States the most finds are in Montana (24), Wyoming (9), Alaska (5), South Dakota (3) and 1 more.
The rock formation with the most finds is called Dinosaur Park, with 23. The rocks are 83.6 to 66 million years ago, in the Cretaceous period.
Genus of reptiles (fossil). (Description from Wikidata, CC0.)
Read about Troodon on Wikipedia.
- 103finds
- 4countries
- 83.6oldest, 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 Troodon fossils?
| Country | Finds | Share |
|---|---|---|
| Canada | 56 | 54% |
| United States | 43 | 42% |
| Russia | 3 | 3% |
| China | 1 | 1% |
US states
- Montana (24)
- Wyoming (9)
- Alaska (5)
- South Dakota (3)
- North Dakota (2)
Rock formations that produced Troodon
A formation is a named body of rock. These are the ones with the most Troodon finds.
| Formation | Finds |
|---|---|
| Dinosaur Park | 23 |
| Oldman | 19 |
| Judith River | 12 |
| Hell Creek | 10 |
| Horseshoe Canyon | 10 |
| Two Medicine | 9 |
| Ferris | 5 |
| Prince Creek | 5 |
| Lance | 3 |
| Udurchukan | 2 |
Other dinosaurs found in Canada
- Richardoestesia (239)
- Triceratops (166)
- Saurornitholestes (148)
- Paronychodon (141)
- Edmontosaurus (85)
- Tyrannosaurus (85)
- Centrosaurus (57)
- Thescelosaurus (55)
- Dromaeosaurus (48)
- Stegoceras (46)
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 Troodon
Where was Troodon found?
Troodon fossils are recorded in the Paleobiology Database from Canada, United States, Russia and China. Most of the 103 finds on this map (56) are from Canada. The rock formation with the most finds is the Dinosaur Park (23).
How old are Troodon fossils?
Finds of Troodon on this map date from 83.6 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 Troodon 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.