Where: Contra Costa County, California (37.9° N, 122.0° W: paleocoordinates 37.5° N, 110.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Tejon Group, Bartonian (41.3 - 38.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: J. O. Nomland. 1916. Corals from the Cretaceous and Tertiary of California and Oregon. University of California Publications Bulletin of the Department of Geology 9(5):59-76 [W. Kiessling/U. Merkel/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122296: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.12.2011, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)