Where: Tehama County, California (39.9° N, 122.6° W: paleocoordinates 38.0° N, 71.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Buchia pacifica zone, Valanginian (139.8 - 132.9 Ma)

• Valanginian. In lower 150 ft of the Buchia pacifica zone.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by W. O. Ross and R. W. Imlay in 1967; reposited in the USNM

Collection methods: surface (in situ),

Primary reference: D. L. Jones, E. H. Bailey, and R. W. Imlay. 1969. Structural and stratigraphic significance of the Buchia zones in the Colyear Springs-Paskenta Area, California. United States Geological Survey Professional Paper (647-A)A1-A24 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 224797: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.04.2022

Creative Commons license: CC BY (attribution)