Where: Contra Costa County, California (38.0° N, 122.2° W: paleocoordinates 37.5° N, 119.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pinole Tuff Formation, Hemphillian (10.3 - 4.9 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. A. Stirton. 1939. Cenozoic Mammal Remains From the San Francisco Bay Region. University of California Publications, Bulletin of the Department of Geological Sciences 24(13):339-410 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 19480: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)