Claremont Shale

Last updated
Claremont Shale
Stratigraphic range: Miocene epoch ,
Neogene Period
Type Geologic formation
Unit of Monterey Formation Group
UnderliesOursan Sandstone
OverliesSobrante Sandstone
Location
Region Berkeley Hills
Alameda County

California
Country United States
Type section
Named for Claremont Canyon

The Claremont Shale is a Miocene epoch geologic formation in the Berkeley Hills of the East Bay region of the San Francisco Bay Area, California. [1]

Contents

It is found within the Claremont Canyon area of the Berkeley Hills in Alameda County and Contra Costa County. [1]

The Claremont Shale formation preserves fossils dating back to the Miocene epoch of the Neogene period. [2]

Paleobiota

Mammals

Cetaceans

GenusSpeciesLocationNotes
Kampholophos Kampholophos serrulusAlameda CreekA dolphin.

Fish

Cartilaginous Fish

GenusSpeciesLocationNotes
Galeocerdo Galeocerdo aduncusAlameda CreekA tiger shark.

Bony Fish

GenusSpeciesLocationNotes
Ganolytes Ganolytes aratusBerkeley, OaklandA herring.
Lampanyctus Lampanyctus remiferOaklandA lanternfish.

Molluscs

Scaphopods

GenusSpeciesLocationNotes
Dentalium -Caldecott TunnelA tusk-shell.

Bivalves

GenusSpeciesLocationNotes
Lucinoma -Caldecott TunnelA lucine.
Yoldia Yoldia submontereyensisCaldecott TunnelA clam.

Plants

Flowering Plants

GenusSpeciesLocationNotes
Ocotea Ocotea coloradensisOaklandA laurel.

Algae

Brown Algae(Kelps)

GenusSpeciesLocationNotes
Paleocystophora PaleocystophorasuboppositaOakland, Berkeley, Caldecott TunnelA kelp.
Paleohalidrys PaleohalidrysoccidentalisOakland, BerkeleyA kelp.

Red and Green Algae

GenusSpeciesLocationNotes
Caulerpites Caulerpites denticulataOakland, BerkeleyA relative of Caulerpa.
Ulva Ulva latucaOaklandA sea lettuce.

See also

References

  1. 1 2 USGS.gov: "Upper Cretaceous and Lower Tertiary Rocks Berkeley and San Leandro Hills, California", by J. E. Case, GEOLOGICAL SURVEY BULLETIN 1251-J, 1968.
  2. ↑ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.


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