6Fossil sites
Trinidad Formation
Trinidad Formation in Mexico: 6 fossil sites. Typical age: 9–3 million years (Neogene).
6Fossil sites
0Finds
9–3 million yearsTypical age
NeogeneMain period
Where its fossils were found
Neogene
By geological period
Neogene6
Towns with the most fossil sites nearby
Other formations of the same period
Neogene
San Marcos Formation 25Ysidro Formation 15Salada Formation 15La Quinta Formation 14Agueguexquite Formation 14Rancho Viejo Beds 13Ferrotepec Formation 10Rosarito Beach Formation 9Tuxpan Formation 9Mazantic Shale 7Guajalote Formation 7Almejas Formation 6Oakville Sandstone 5San Diego Formation 5Tirabuzón Formation 5Carrillo Puerto Formation 5Isidro Formation 5Juchipila Formation 4Encanto Formation 3Infierno Formation 3Atotonilco El Grande Formation 3