San Ricardo Formation
| San Ricardo Formation | |
|---|---|
| Stratigraphic range: Late Jurassic-Early Cretaceous ~ | |
| Type | Formation | 
| Underlies | Sierra Madre Formation | 
| Location | |
| Region | Chiapas | 
| Country | Mexico | 
The San Ricardo Formation is a geologic formation in Mexico. It preserves fossils dating back to the Late Jurassic to Early Cretaceous periods.