List of fossiliferous stratigraphic units in Wyoming

This article contains a list of fossil-bearing stratigraphic units in the state of Wyoming, U.S.

Sites
Group or Formation Period Notes
Almond FormationCretaceous
Almy FormationPaleogene
Amsden FormationCarboniferous
Arikaree FormationNeogene
Ash Hollow FormationNeogene
Aspen ShaleCretaceous
Aycross FormationPaleogene
Beartooth Butte FormationDevonian
Bell Springs FormationTriassic
Belle Fourche FormationCretaceous
Benton FormationCretaceous
Bighorn FormationOrdovician
Bridger FormationPaleogene
Brule FormationPaleogene
Brule FormationPaleogene
Carlile ShaleCretaceous
Casper FormationPermian, Carboniferous
Chadron FormationPaleogene
Chugwater Group/Alcova LimestoneTriassic
Chugwater Group/Crow Mountain FormationTriassic
Chugwater Group/Popo Agie FormationTriassic
Chugwater Group/Red Peak FormationTriassic
Cloverly FormationCretaceous
Cody ShaleCretaceous
Colorado FormationCretaceous
Colorado Group/Graneros ShaleCretaceous
Colorado Group/Mowry ShaleCretaceous
Colter FormationNeogene
Dakota FormationCretaceous
Deadwood FormationOrdovician, Cambrian
Dinwoody FormationTriassic
Dry Creek ShaleCambrian
DuNoir FormationCambrian
DuNoir LimestoneCambrian
Eagle FormationCretaceous
Evanston FormationPaleogene
Fall River SandstoneCretaceous
Ferris FormationPaleogene, Cretaceous
Fort Union FormationPaleogene
Fowkes FormationPaleogene
Frontier FormationCretaceous
Gallatin FormationCambrian
Gartra FormationTriassic
Gering FormationPaleogene
Goose Egg FormationPermian
Green River FormationPaleogene
Gros Ventre FormationCambrian
Gypsum Springs FormationJurassic
Hailey ShaleCretaceous
Hanna FormationPaleogene
Harebell FormationCretaceous
Harrison FormationMiocene
Hoback FormationPaleogene
Iles FormationCretaceous
Indian Meadows FormationPaleogene
Jelm FormationTriassic
Lamar River FormationPaleogene
Lance FormationCretaceous
Laramie FormationCretaceous
Lebo FormationPaleogene
Madison Group/Lodgepole Formation and Mission Canyon FormationMississippian
Mancos ShaleCretaceous
Marsland Beds FormationNeogene
Medicine Bow FormationCretaceous
Mesaverde FormationCretaceous
Mesaverde Group/Almond FormationCretaceous
Meteetse FormationCretaceous
Middle Variegated Sequence FormationPaleogene
Minnekahta FormationPermian
Monroe Creek FormationPaleogene
Montana Group/Fox Hills FormationCretaceous
Montana Group/Pierre ShaleCretaceous
Morrison FormationJurassic
Mowry ShaleCretaceous
Newcastle SandstoneCretaceous
Niobrara FormationCretaceous
North Park FormationNeogene
Ogallala FormationNeogene
Open Door FormationCambrian
Open Door LimestoneCambrian
Park City FormationPermian
Park ShaleCambrian
Pass Peak FormationPaleogene
Phosphoria FormationPermian
Pierre ShaleCretaceous
Pinyon Conglomerate FormationCretaceous
Polecat Bench FormationPaleogene
Puerco FormationPaleogene
Rock Springs FormationCretaceous
Satanka FormationPermian
Sepulcher FormationPaleogene
Shedhorn FormationPermian
Shooting Iron FormationPliocene
Snowy Range FormationCambrian
Split Rock FormationNeogene
Sundance FormationJurassic
Tatman FormationPaleogene
Teewinot FormationNeogene
Telegraph Creek FormationCretaceous
Tepee Trail FormationPaleogene
Thaynes FormationTriassic
Thomas Fork FormationCretaceous
Twin Creek FormationJurassic
Twin Creek LimestoneJurassic
Wagon Bed FormationPaleogene
Wapiti FormationPaleogene
Wasatch FormationPaleogene
Washakie FormationPaleogene
White River FormationPaleogene
Wiggins FormationPaleogene
Willwood FormationPaleogene
Wind River FormationPaleogene
Woodside FormationTriassic

See also

References
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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