Barranca Group From Wikipedia, the free encyclopedia TypeGroupCountryMexicoBarranca GroupStratigraphic range: TriassicTypeGroupLocationCountryMexico The Barranca Group is a geologic group in Mexico. It preserves fossils dating back to the Triassic period. Earth sciences portalMexico portalPaleontology portal List of fossiliferous stratigraphic units in Mexico External links 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 Triassic period is a stub. You can help Wikipedia by expanding it.vte Related Articles