About Richardoestesia fossils
Richardoestesia is a genus of theropods, the mostly meat-eating group. The database records 4 species of it: Asiamericana asiatica, Richardoestesia asiatica, Richardoestesia gilmorei and Richardoestesia isosceles.
The 239 finds on the map come from 9 countries. The United States has the most, with 104 (44%). Within the United States the most finds are in Montana (36), North Dakota (17), Wyoming (16), Texas (13) and 6 more.
The rock formation with the most finds is called Hell Creek, with 51. The rocks are 154.8 to 66 million years ago, in the Jurassic and Cretaceous periods.
Genus of reptiles (fossil). (Description from Wikidata, CC0.)
Read about Richardoestesia on Wikipedia.
- 239finds
- 9countries
- 154.8oldest, million years ago
- 66youngest, million years ago
20% of these finds are marked approximate in the database, so their dots may sit some way from the real site.
Which countries have Richardoestesia fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 104 | 44% |
| Canada | 94 | 39% |
| Spain | 12 | 5% |
| Uzbekistan | 10 | 4% |
| Romania | 8 | 3% |
| Mexico | 4 | 2% |
| Russia | 3 | 1% |
| France | 2 | 1% |
| Portugal | 2 | 1% |
US states
- Montana (36)
- North Dakota (17)
- Wyoming (16)
- Texas (13)
- New Mexico (9)
- Utah (6)
- South Dakota (3)
- Colorado (2)
- Arkansas (1)
- Maryland (1)
Rock formations that produced Richardoestesia
A formation is a named body of rock. These are the ones with the most Richardoestesia finds.
| Formation | Finds |
|---|---|
| Hell Creek | 51 |
| Milk River | 34 |
| Dinosaur Park | 30 |
| Oldman | 20 |
| Aguja | 13 |
| Bissekty | 8 |
| Lance | 8 |
| Horseshoe Canyon | 6 |
| Ferris | 5 |
| Kirtland | 5 |
Other dinosaurs found in United States
- Triceratops (166)
- Saurornitholestes (148)
- Allosaurus (147)
- Paronychodon (141)
- Camarasaurus (138)
- Iguanodon (132)
- Troodon (103)
- Stegosaurus (86)
- Edmontosaurus (85)
- 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 Richardoestesia
Where was Richardoestesia found?
Richardoestesia fossils are recorded in the Paleobiology Database from United States, Canada, Spain and Uzbekistan and 5 more. Most of the 239 finds on this map (104) are from United States. The rock formation with the most finds is the Hell Creek (51).
How old are Richardoestesia fossils?
Finds of Richardoestesia on this map date from 154.8 to 66 million years ago, which is the Jurassic and Cretaceous periods. Ages are ranges, because rock layers are dated to a stage and not to a single year.
Where can I see Richardoestesia 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.