Where: Butte County, California (39.8° N, 121.7° W: paleocoordinates 45.1° N, 86.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Chico Formation (Asuncion Group), Santonian (86.3 - 83.6 Ma)

• No stratigraphic data reported. From the Santonian lower portion of the Chico Formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; sandstone

Size class: macrofossils

Reposited in the CAS

Collection methods: quarrying,

• Collected by Popenoe, Sharf, Bennison and Anderson.

Primary reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44275: authorized by Austin Hendy, entered by Austin Hendy on 08.09.2004

Creative Commons license: CC BY (attribution)