UCMP 787 (Paleocene of the United States)

Where: Lake County, California (38.9° N, 122.6° W: paleocoordinates 44.8° N, 100.3° W)

• coordinate based on nearby landmark

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 190796: authorized by Patricia Holroyd, entered by Patricia Holroyd on 17.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cardiida - Veneridae
Paphia cf. clarki Dickerson 1914 venus clam
? Meretrix sp. Lamarck 1799 venus clam
 Solenida - Solenidae
"Solen stantoni" = Solen (Eosolen) stantoni
"Solen stantoni" = Solen (Eosolen) stantoni Weaver 1905 clam
 Protobranchia - Nuculanidae
Leda alaeformis Gabb 1868 pointed nut clam
 Stromboidea - Strombidae
Fusus cf. flexuosus Gabb 1864 true conch