Preitos Formation From Wikipedia, the free encyclopedia Fossil-bearing formation in Mexico TypeFormationCountryMexicoPreitos FormationStratigraphic range: PaleogeneTypeFormationLocationCountryMexico The Preitos Formation is a geologic formation in Mexico. It preserves fossils dating back to the Paleogene period. Earth sciences portalMexico portalPaleontology portal List of fossiliferous stratigraphic units in Mexico References Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. This article about a specific stratigraphic formation in Mexico is a stub. You can help Wikipedia by expanding it.vte This article related to the Paleogene period is a stub. You can help Wikipedia by expanding it.vte Related Articles