Martin Formation From Wikipedia, the free encyclopedia Geological formation in Arizona TypeFormationRegionArizonaCountryUnited StatesMartin FormationStratigraphic range: DevonianTypeFormationLocationRegionArizonaCountryUnited States The Martin Formation is a geologic formation in Arizona. It preserves fossils dating back to the Devonian period. Earth sciences portalArizona portalPaleontology portal List of fossiliferous stratigraphic units in Arizona Paleontology in Arizona References Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021. This article about a specific stratigraphic formation in Arizona is a stub. You can help Wikipedia by expanding it.vte This article related to the Devonian period is a stub. You can help Wikipedia by expanding it.vte Related Articles