List of fossiliferous stratigraphic units in California

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

Sites

Group or Formation	Period	Notes
Al Rose Formation	Ordovician
Altamira Shale	Neogene
Antelope Valley Limestone	Ordovician
Arvison Formation	Triassic
Asuncion Group/Chico Formation	Cretaceous
Asuncion Group/Forbes Shale	Cretaceous
Asuncion Group/Funks Shale	Cretaceous
Asuncion Group/Moreno Formation	Cretaceous
Asuncion Group/Ragged Valley Shale	Cretaceous
Avawatz Formation	Neogene
Aztec Sandstone	Jurassic
Badger Flat Formation	Ordovician
Baird Formation	Carboniferous
Barrel Spring Formation	Ordovician
Barstow Formation	Neogene
Battery Formation
Bautista Formation
Bedrock Spring Formation	Neogene
Bird Spring Formation	Permian, Carboniferous
Bonanza King Formation	Cambrian
Bopesta Formation	Neogene
Bragdon Formation	Carboniferous
Branch Canyon Formation	Neogene
Brawley Formation
Briones Formation	Neogene
Brock Shale	Triassic
Budden Canyon Formation	Cretaceous
Cache Formation
Cajon Valley Beds Formation	Neogene
Caliente Formation	Neogene
Campito Formation	Cambrian
Capay Formation	Paleogene
Capistrano Formation	Neogene
Carrara Formation	Cambrian
Chanac Formation	Neogene
Chatsworth Formation	Cretaceous
Chico Formation	Cretaceous
Chico Group/Moreno Formation	Cretaceous
Chloropagus Formation	Neogene
Conglomerate Mesa Formation	Permian
Copper Canyon Formation	Neogene
Coso Formation	Neogene
Crowder Formation	Neogene
Darwin Canyon Formation	Permian
Debris Dam Formation	Cretaceous
Deep Spring Formation	Cambrian
Dekkas Formation	Permian
Delmar Formation	Paleogene
Diablo Formation	Neogene
Diligencia Formation
Disaster Peak Formation	Neogene
Domengine Formation	Paleogene
Dove Spring Formation	Neogene
Drakes Bay Formation	Neogene
Ely Springs Dolomite	Ordovician
Etchegoin Formation	Neogene
Falor Formation
Fernando Formation	Neogene
Forbes Formation	Cretaceous
Foreman Formation	Jurassic
Franciscan Formation	Jurassic
Freeman Silt Formation	Neogene
Friars Formation	Paleogene
Funks Formation	Cretaceous
Gazelle Formation	Silurian
Goler Formation	Paleogene
Goodhue Formation	Permian
Goodwin Formation	Ordovician
Great Valley Formation	Cretaceous
Great Valley Group/Antelope Shale	Cretaceous
Great Valley Group/Budden Canyon Formation	Cretaceous
Great Valley Group/Crack Canyon Formation	Cretaceous
Great Valley Group/Gravelly Flat Formation	Cretaceous
Great Valley Group/Lodoga Formation	Cretaceous
Great Valley Group/Moreno Formation	Cretaceous
Great Valley Group/Stony Creek Formation	Jurassic
Green Valley Formation	Neogene
Gregg Ranch Formation	Ordovician
Hardgrave Formation	Jurassic
Harkless Formation	Cambrian
Harold Formation
Hector Formation	Neogene
Hidden Valley Dolomite	Devonian
Hinchman Formation	Jurassic
Hookton Formation
Hornbrook Formation	Cretaceous
Horned Toad Formation	Neogene
Horseshoe Gulch Formation	Ordovician
Horseshoe Gulch unit Formation	Ordovician
Hosselkus Formation	Triassic
Hosselkus Limestone	Triassic
Hungry Valley Formation	Neogene
Imperial Formation	Neogene
Imperial Group/Deguynos Formation	Neogene
Jalama Formation	Cretaceous
Jewett Sand Formation	Neogene, Paleogene
Joaquin Formation	Cretaceous
Josephine Formation	Jurassic
Juncal Formation	Paleogene
Kangaroo Creek Formation	Devonian, Silurian, Ordovician
Kangaroo Ranch Formation	Ordovician
Kern River Formation	Neogene
Kern River Beds Formation	Neogene
Kramer Beds Formation	Neogene
Kreyenhagen Formation	Paleogene
Kreyenhagen Shale	Paleogene
La Habra Formation
La Jolla Formation	Paleogene
Ladd Formation	Cretaceous
Ladera Sandstone	Neogene
Laguna Seca Formation	Paleogene, Cretaceous
Lake Mathews Formation	Neogene
Latham Shale	Cambrian
Livermore Gravels Formation	Neogene
Llajas Formation	Paleogene
Locatelli Formation	Paleogene
Lodo Formation	Paleogene
Lomita Marl Formation
Lompico Sandstone	Neogene
Lower Arkose Unit Formation	Neogene
Manix Formation
Martinez Formation	Paleogene
Mazourka Formation	Ordovician
McCloud Limestone	Permian, Carboniferous
Meganos Formation	Paleogene
Meganos C Formation	Paleogene
Mehrten Formation	Neogene
Merced Formation	Neogene
Merhten Formation	Neogene
Mint Canyon Formation	Neogene
Mission Valley Formation	Paleogene
Modello Formation	Neogene
Modelo Formation	Neogene
Modin Formation	Triassic
Moenkopi Formation	Triassic
Monola Formation	Cambrian
Monterey Formation	Neogene
Monterey Group/Claremont Shale	Neogene
Montezuma Formation	Pleistocene
Montgomery Creek Formation	Paleogene
Montgomery Limestone	Ordovician
Moraga Formation	Neogene
Moreno Formation	Cretaceous
Moreno Grande Formation	Cretaceous
Mormon Formation	Jurassic
MR Caliente Formation	Neogene
Mt. Eden Formation	Neogene
Mule Spring Limestone	Cambrian
Mulholland Formation	Neogene
Neroly Formation	Neogene
Niguel Formation	Neogene
Nosoni Formation	Permian
NS Caliente Formation	Neogene
Oclese Sand Formation	Neogene
Ocotillo Formation
Ono Formation	Cretaceous
Orinda Formation	Neogene
Oro Loma Formation	Neogene
Osbourne Canyon Formation	Permian
Otay Formation
Owens Valley Formation	Permian
Owens Valley Group/Santa Rosa Flat Formation	Permian
Pacheco Formation	Cretaceous
Palm Spring Formation
Palos Verdes Formation
Panoche Formation	Cretaceous
Paskenta Formation	Cretaceous
Paso Robles Formation	Neogene
Pauba Formation
Payton Ranch Limestone	Silurian
Peace Valley Beds Formation	Neogene
Petaluma Formation	Neogene
Pico Formation	Neogene
Pigeon Point Formation	Cretaceous
Pinole Tuff Formation	Neogene
Pismo Formation	Neogene
Pit Formation	Triassic
Pleasants Sandstone	Cretaceous
Plush Ranch Formation	Neogene
Point Loma Formation	Cretaceous
Poleta Formation	Cambrian
Pomerado Conglomerate Formation	Paleogene
Potem Formation	Jurassic
Poway Formation	Paleogene
Puente Formation	Neogene
Puente Shale	Neogene
Punchbowl Formation	Neogene
Purisima Formation	Neogene
Purisimo Formation	Neogene
Redding Formation	Cretaceous
Rincon Formation	Neogene, Paleogene
Rio Dell Formation
Riverbank Formation
Robinson Formation	Permian
Rosario Formation	Cretaceous
Rosario Group/Cabrillo Formation	Cretaceous
Rosario Group/Point Loma Formation	Cretaceous
Round Mountain Silt Formation	Neogene
Saline Valley Formation	Cambrian
San Antonio Formation
San Benito Gravels
San Diego Formation	Neogene
San Emigdio Formation	Paleogene
San Francisquito Formation	Paleogene, Cretaceous
San Joaquin Formation	Neogene
San Lorenzo Formation	Paleogene
San Lorenzo Group/Pleito Formation	Paleogene
San Lorenzo Group/San Emigdio Formation	Paleogene
San Margarita Sandstone	Neogene
San Mateo Formation	Neogene
San Pablo Formation	Neogene
San Pedro Formation
San Pedro Sand Formation
San Timoteo Formation
Santa Clara Formation	Neogene
Santa Cruz Mudstone Formation	Neogene
Santa Margarita Formation	Neogene
Santa Rosa Flat Formation	Permian
Santa Rosa Island Formation
Santa Susana Formation	Paleogene
Santiago Formation	Paleogene
Scripps Formation	Paleogene
Sespe Formation	Neogene, Paleogene
Shasta Formation	Cretaceous
Sierra Blanca Limestone	Paleogene
Siesta Formation	Neogene
Silverado Formation	Paleogene
Sisquoc Formation	Neogene
Skooner Gulch Formation	Neogene
St. George Formation	Neogene
Stadium Conglomerate Formation	Paleogene
Sweetwater Formation	Paleogene
Tassajara Formation	Neogene
Tecopa Lake Beds Formation
Tecuya Formation
Tejon Formation	Paleogene
Temblor Formation	Neogene, Paleogene
Temecula Arkose Formation
Thompson Formation	Jurassic
Tick Canyon Formation
Timm's Point Formation
Titus Canyon Formation	Paleogene
Topanga Canyon Formation	Neogene
Towsley Formation	Neogene
Tulare Formation	Neogene
Tuna Canyon Formation	Cretaceous
Turlock Lake Formation
UDC Caliente Formation	Neogene
Union Wash Formation	Triassic
Unnamed Formation	Paleogene
Upper Caliente Formation	Neogene
Upper Etchegoin Formation
Upper Fernando Formation	Neogene
Upper Mehrten Formation	Neogene
Valmonte Diatomite Formation	Neogene
Vaquero Formation	Neogene
Vaqueros Formation	Neogene, Paleogene
Vedder Sand	Paleogene
Volcanopelagic Succession Group/Unit 1 Formation	Jurassic
Volcanopelagic Succession Group/Unit 2 Formation	Jurassic
Volcanopelagic Succession Group/Unit 3 Formation	Jurassic
Waltham Formation	Cretaceous
Wildcat Formation	Neogene
Wildcat Group/Rio Dell Formation	Neogene
Williams Formation	Cretaceous
Wood Canyon Formation	Cambrian, Ediacaran
Zabriskie Quartzite Formation	Cambrian

See also

• Paleontology in California

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.