Earth:San Ricardo Formation

San Ricardo Formation Stratigraphic range: Late Jurassic-Early Cretaceous ~150–140 Ma PreЄ Є O S D C P T J K Pg N
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.

See also

• List of fossiliferous stratigraphic units in Mexico