This article contains a list of fossil-bearing stratigraphic units in the state of California, U.S.
The Latham Shale is a geologic formation in California. It preserves fossils dating back to the Cambrian period.
The Paso Robles Formation is a geologic formation in California, United States. It preserves fossils dating back to the Neogene period.
The Puente Formation is a geologic formation in California. It preserves fossils dating back to the middle to upper Miocene epoch of the Neogene period.
The Purisima Formation is a geologic formation in California. It preserves fossils dating from the Late Miocene to Late Pliocene.
The Caliente Formation is a geologic formation in California. It preserves fossils dating back to the Neogene period.
The Modelo Formation is a Miocene geologic formation in the Simi Hills and western Santa Susana Mountains of southern California.
The Mehrten Formation is a geologic formation in California. It preserves fossils dating back to the Neogene period.
The Vaquero Formation is a geologic formation in California. It preserves fossils dating back to the Neogene period.
The Topanga Canyon Formation is a Miocene epoch geologic formation in the Santa Monica Mountains, Simi Hills, Santa Ana Mountains and San Joaquin Hills, in Los Angeles County, Ventura County, and Orange County, southern California. It is primarily composed of hard sandstone with some inter-bedded siltstone.
The Santa Margarita Formation is a Neogene Period geologic formation in the San Joaquin Valley of central California.
The San Mateo Formation is a geologic formation in California. It preserves fossils dating back to the Neogene period.
The Round Mountain Silt is a geologic formation in California. It preserves fossils dating back to the Neogene period.
The Barrel Spring Formation is a geologic formation in California. It preserves fossils dating back to the Ordovician period.
The Sierra Blanca Limestone is a geologic formation in California. It preserves fossils dating back to the Paleogene period.