Temblor Formation

The Temblor Formation is a geologic formation in California. It preserves fossils dating back from the Late Oligocene to the Middle Miocene of the Neogene period.

Temblor Formation
Stratigraphic range: Late Oligocene-Mid Miocene
~28–11.6 Ma
TypeGeologic formation
Sub-unitsAgua Sandstone Member, Buttonbed Sandstone Member, Carneros Sandstone Member, Cymric Shale Member, Devilwater Siltstone, Gould Shale, Media Shale Member, Round Mountain Silt, Santos Shale Member, Wygal Sandstone Member
UnderliesMonterey Formation
PrimaryShale, sandstone
RegionWestern San Joaquin Valley,
Kern County, California
CountryUnited States
Type section
Named forNamed from exposures on Temblor Ranch, McKittrick district, Kern County
Named byAnderson
Year defined1905



Cartilagenous fishes

Rays and skates



  • Diomedea californica[4]
    • D. milleri[4]
  • Fulmarus miocaenus[4]
  • Hadrogyps aigialerus[4]
  • Megalodytes morejohni[4]
  • Morus vagabundus[4]
  • Pandion homalopteron[4]
  • Pelagornis cf. orri[4]
  • Presbychen abavus[4]
  • Puffinus inceptor[4]
    • P. milleri[4]
    • P. priscus[4]


See also


  1. L. G. Barnes. 1988. A new fossil pinniped (Mammalia: Otariidae) from the middle Miocene Sharktooth Hill Bonebed, California. Contributions in Science 396:1-11
  2. Boessenecker, Ehret, D, Long, D, Churchill, M, Martin, E, Boessenecker, S. The Early Pliocene extinction of the mega-toothed shark Otodus megalodon: a view from the eastern north Pacific. PeerJ. 2019 Feb 13;7:e6088. doi: 10.7717/peerj.6088. eCollection 2019.
  3. Malchow, A. 2009. MIOCENE SHARK TOOTH HILL LOCALITY, KERN COUNTY, CALIFORNIA. Geological Society of America North-Central Section - 43rd Annual Meeting (2-3 April 2009)
  4. Stegall, J. 2016. Fossil Birds of the Mojave Desert & Environs. Murturango Press, Ridgecrest, California.
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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