Monos Formation From Wikipedia, the free encyclopedia Geologic formation in Mexico TypeFormationCountryMexicoMonos FormationStratigraphic range: PermianTypeFormationLocationCountryMexico The Monos Formation is a geologic formation in Mexico. It preserves fossils dating from the Permian 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 Permian period is a stub. You can help Wikipedia by expanding it.vte Related Articles