The Sabana Grande Formation is a geologic formation in western Puerto Rico. The conglomerates and limestones of the formation preserve gastropod fossils of Trochactaeon woodsi dating back to the Late Campanian period.[1]
| Sabana Grande Formation | |
|---|---|
| Stratigraphic range: Late Campanian | |
| Type | Formation |
| Lithology | |
| Primary | Conglomerate |
| Other | Limestone |
| Location | |
| Coordinates | 18.1°N 67.1°W |
| Approximate paleocoordinates | 15.8°N 58.4°W |
| Region | Caribbean |
| Country | Puerto Rico |
 Sabana Grande Formation (Puerto Rico) | |
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