UCMP 215 (Paleocene of the United States)

Where: Contra Costa County, California (38.0° N, 122.2° W: paleocoordinates 43.9° N, 100.0° W)

When: Martinez Formation, Paleocene (66.0 - 56.0 Ma)

• Martinez Fm. discussed as Eocene by Dickerson 1914, but rocks now regarded as Paleocene following Stewart, Ralph, 1949, Lower Tertiary stratigraphy of Mount Diablo, Marysville Buttes, and west border of lower Central Valley of California: U.S. Geological Survey Oil and Gas Investigations Preliminary Chart, OC-34.

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: R. E. Dickerson. 1914. Fauna of the Martinez Eocene of California. Bulletin of the Department of Geology, University of California 6:61-180 [P. Holroyd/P. Holroyd/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 190770: authorized by Patricia Holroyd, entered by Patricia Holroyd on 17.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Tellinidae
Tellina cf. remondii Gabb 1864 tellin clam
 Cardiida - Cardiidae
"Cardium cooperi" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle
 Solenida - Solenidae
"Solen stantoni" = Solen (Eosolen) stantoni
"Solen stantoni" = Solen (Eosolen) stantoni Weaver 1905 clam
 Protobranchia - Nuculanidae
"Leda gabbi" = Nuculana (Saccella) gabbii Conrad 1869 pointed nut clam