About Trierarchuncus fossils
Trierarchuncus is a genus of theropods, the mostly meat-eating group. The database records one species of it: Trierarchuncus prairiensis.
All 6 finds on the map are in United States. The US finds are all in Montana.
The rock formation with the most finds is called Hell Creek, with 6. The rocks are 72.2 to 66 million years ago, in the Cretaceous period.
Genus of alvarezsaurian dinosaurs (fossil). (Description from Wikidata, CC0.)
Read about Trierarchuncus on Wikipedia.
- 6finds
- 1country
- 72.2oldest, million years ago
- 66youngest, million years ago
Which countries have Trierarchuncus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 6 | 100% |
US states
- Montana (6)
Rock formations that produced Trierarchuncus
A formation is a named body of rock. These are the ones with the most Trierarchuncus finds.
| Formation | Finds |
|---|---|
| Hell Creek | 6 |
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 Trierarchuncus
Where was Trierarchuncus found?
Trierarchuncus fossils are recorded in the Paleobiology Database from United States. Most of the 6 finds on this map (6) are from United States. The rock formation with the most finds is the Hell Creek (6).
How old are Trierarchuncus fossils?
Finds of Trierarchuncus on this map date from 72.2 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 Trierarchuncus 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.