About Tenontosaurus fossils
Tenontosaurus is a genus of ornithischians, the horned, armoured and duck-billed group. The database records 2 species of it: Tenontosaurus dossi and Tenontosaurus tilletti.
All 83 finds on the map are in United States. Within the United States the most finds are in Montana (55), Wyoming (8), Oklahoma (6), Texas (5) and 4 more.
The rock formation with the most finds is called Cloverly, with 63. The rocks are 121.4 to 93.9 million years ago, in the Cretaceous period.
Genus of reptiles (fossil). (Description from Wikidata, CC0.)
Read about Tenontosaurus on Wikipedia.
- 83finds
- 1country
- 121.4oldest, million years ago
- 93.9youngest, million years ago
Which countries have Tenontosaurus fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 83 | 100% |
US states
Rock formations that produced Tenontosaurus
A formation is a named body of rock. These are the ones with the most Tenontosaurus finds.
| Formation | Finds |
|---|---|
| Cloverly | 63 |
| Antlers | 9 |
| Cedar Mountain | 4 |
| Arundel Clay | 2 |
| Shellenberger Canyon | 2 |
| Paluxy | 1 |
| Twin Mountains | 1 |
| Wayan | 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)
- 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 Tenontosaurus
Where was Tenontosaurus found?
Tenontosaurus fossils are recorded in the Paleobiology Database from United States. Most of the 83 finds on this map (83) are from United States. The rock formation with the most finds is the Cloverly (63).
How old are Tenontosaurus fossils?
Finds of Tenontosaurus on this map date from 121.4 to 93.9 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 Tenontosaurus 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.