4Fossil sites
El Santísimo Formation
El Santísimo Formation in Mexico: 4 fossil sites. Typical age: 487–477 million years (Ordovician).
4Fossil sites
0Finds
487–477 million yearsTypical age
OrdovicianMain period
Where its fossils were found
Ordovician
By geological period
Ordovician4
Towns with the most fossil sites nearby
Other formations of the same period
Ordovician