La Esperanza Group From Wikipedia, the free encyclopedia Mexican geologic preservation group TypeGroupCountryMexicoLa Esperanza GroupStratigraphic range: PaleogeneTypeGroupLocationCountryMexico The La Esperanza Group is a geologic group 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". Archived from the original on 19 August 2022. 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