About Sphaerotholus fossils
Sphaerotholus is a genus of ornithischians, the horned, armoured and duck-billed group. The database records 5 species of it: Sphaerotholus buchholtzae, Sphaerotholus edmontonensis, Sphaerotholus goodwini, Sphaerotholus lyonsi and Sphaerotholus triregnum.
The 6 finds on the map come from 2 countries. Canada has the most, with 3 (50%). Within the United States the most finds are in Montana (2) and New Mexico (1).
The rock formation with the most finds is called Hell Creek, with 2. The rocks are 83.6 to 66 million years ago, in the Cretaceous period.
Genus of reptiles (fossil). (Description from Wikidata, CC0.)
Read about Sphaerotholus on Wikipedia.
- 6finds
- 2countries
- 83.6oldest, million years ago
- 66youngest, million years ago
Which countries have Sphaerotholus fossils?
| Country | Finds | Share |
|---|---|---|
| Canada | 3 | 50% |
| United States | 3 | 50% |
US states
- Montana (2)
- New Mexico (1)
Rock formations that produced Sphaerotholus
A formation is a named body of rock. These are the ones with the most Sphaerotholus finds.
| Formation | Finds |
|---|---|
| Hell Creek | 2 |
| Dinosaur Park | 1 |
| Frenchman | 1 |
| Kirtland | 1 |
Other dinosaurs found in Canada
- Richardoestesia (239)
- Triceratops (166)
- Saurornitholestes (148)
- Paronychodon (141)
- Troodon (103)
- Edmontosaurus (85)
- Tyrannosaurus (85)
- Centrosaurus (57)
- Thescelosaurus (55)
- Dromaeosaurus (48)
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 Sphaerotholus
Where was Sphaerotholus found?
Sphaerotholus fossils are recorded in the Paleobiology Database from Canada and United States. Most of the 6 finds on this map (3) are from Canada. The rock formation with the most finds is the Hell Creek (2).
How old are Sphaerotholus fossils?
Finds of Sphaerotholus 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 Sphaerotholus 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.