Where: Glenn County, California (39.7° N, 122.5° W: paleocoordinates 35.9° N, 69.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Buchia aff. B. okensis zone, Late/Upper Tithonian (150.8 - 145.0 Ma)

• Late Tithonian. About base of upper third of Buchia aff. B. okensis zone which is 450 ft thick.

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, green sandstone

Size class: macrofossils

Collected by D. L. Jones in 1964; reposited in the USNM

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: taxonomic analysis

PaleoDB collection 224826: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.04.2022

Creative Commons license: CC BY (attribution)