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

Sites Group or Formation Period Notes American Falls Lake Bed E Formation Arco Hills Formation Carboniferous Beaverdam Formation Neogene Black Mesa Gravel Formation Bruneau Formation Pliocene-Pleistocene Chalk Hills Formation Neogene Challis Volcanics Formation Paleogene Clarkia Formation Neogene Coon Hollow Formation Jurassic Dinwoody Formation Triassic Elkhead Limestone Cambrian Garden City Formation Ordovician Glenns Ferry Formation Pliocene Hole Formation Neogene Idavada Volcanics Formation Neogene Imnaha Basalt Formation Neogene Jefferson Formation Devonian Lakeview Formation Cambrian Langston Formation Cambrian Latah Formation Neogene Lead Bell Shale (Spence Shale) Formation Cambrian Little Flat Formation Carboniferous Lodgepole Formation Carboniferous Lodgepole Limestone Carboniferous Martin Bridge Formation Triassic McGowan Creek Formation Carboniferous Meade Peak Formation Permian Middle Canyon Formation Carboniferous Monroe Canyon Formation Carboniferous Muldoon Canyon Formation Carboniferous Park City Formation Permian Peterson Creek Beds Formation Phi Kappa Formation Silurian, Ordovician Phosphoria Formation Permian Poison Creek Formation Neogene Railroad Canyon Beds Formation Neogene Rennie Shale Cambrian Sage Junction Formation Cretaceous Salmon City Formation Paleogene Salt Lake Formation Miocene-Pliocene Saturday Mountain Formation Ordovician Seven Devils Group/Martin Bridge Formation Triassic Snaky Canyon Formation Permian St. Charles Formation Cambrian Starlight Formation Neogene Surrett Canyon Formation Carboniferous Thaynes Formation Triassic Thaynes Formation Triassic Thaynes Formation Triassic Thaynes Group/Thaynes Formation Triassic Trail Canyon Formation Permian Twin Creek Formation Jurassic Ute Formation Cambrian Valmy Group/Phi Kappa Formation Ordovician Wayan Formation Cretaceous White Knob Formation Permian Woodside Formation Triassic

See also

Paleontology in Idaho

References