| San Juan Raya Formation | |
|---|---|
| Stratigraphic range: Aptian-Albian ~120–100 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
| Type | Formation |
| Lithology | |
| Primary | Shale |
| Other | Mudstone, sandstone |
| Location | |
| Coordinates | 18°24′N 97°42′W / 18.4°N 97.7°W / 18.4; -97.7 |
| Approximate paleocoordinates | 16°54′N 54°54′W / 16.9°N 54.9°W / 16.9; -54.9 |
| Region | Puebla |
| Country |  Mexico |
  San Juan Raya Formation (Mexico) | |
The San Juan Raya Formation is a geologic formation in Mexico. It preserves fossils dating back to the Albian and Aptian stages of the Early Cretaceous period.