| Exu Formation | |
|---|---|
| Stratigraphic range: Albian | |
| Type | Geological formation |
| Unit of | Araripe Group |
| Underlies | Alluvium |
| Overlies | Santana Group Romualdo Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 7°36′S40°42′W / 7.6°S 40.7°W |
| Approximate paleocoordinates | 12°36′S12°06′W / 12.6°S 12.1°W |
| Region | Piauí |
| Country | Brazil |
| Extent | Araripe Basin |
The Exu Formation is an Albian geologic formation in Brazil. Pterosaur fossils of Lophocratia indet. have been recovered from the formation. [1]