| Tuira Formation | |
| Type: | Formation |
| Age: | Tortonian (Clarendonian-Hemphillian) |
| Period: | Tortonian |
| Namedfor: | Tuira River |
| Region: | Darién Province |
| Coordinates: | 8.5°N -77.7°W |
| Paleocoordinates: | 8.2°N -76.3°W |
The Tuira Formation is a geologic formation in Panama. It preserves bivalve, gastropod and sponge fossils dating back to the Tortonian period (Clarendonian to Hemphillian in the NALMA classification), from 11 to 9.5 Ma.[1] [2]
Among others, the following fossils have been reported from the formation:[2]