About Maiasaura fossils
Maiasaura is a genus of ornithischians, the horned, armoured and duck-billed group. The database records one species of it: Maiasaura peeblesorum.
All 7 finds on the map are in United States. The US finds are all in Montana.
The rock formation with the most finds is called Two Medicine, with 7. The rocks are 83.6 to 72.2 million years ago, in the Cretaceous period.
Extinct genus of ornithopod dinosaurs (Ornithopoda). (Description from Wikidata, CC0.)
Read about Maiasaura on Wikipedia.
- 7finds
- 1country
- 83.6oldest, million years ago
- 72.2youngest, 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 Maiasaura fossils?
| Country | Finds | Share |
|---|---|---|
| United States | 7 | 100% |
US states
- Montana (7)
Rock formations that produced Maiasaura
A formation is a named body of rock. These are the ones with the most Maiasaura finds.
| Formation | Finds |
|---|---|
| Two Medicine | 7 |
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 Maiasaura
Where was Maiasaura found?
Maiasaura fossils are recorded in the Paleobiology Database from United States. Most of the 7 finds on this map (7) are from United States. The rock formation with the most finds is the Two Medicine (7).
How old are Maiasaura fossils?
Finds of Maiasaura on this map date from 83.6 to 72.2 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 Maiasaura 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.