Also known as CAS loc. 28455 (Anderson, 1958, p. 355)

Where: Stanislaus County, California (36.0° N, 120.1° W: paleocoordinates 41.8° N, 96.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mustang Shale Member (Moreno Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• LITHOSTRATIGRAPHY: From the Mustang Shale of the Moreno Fm, Asuncion Gp, which is overlain by the Quinto Silt Mbr. AGE: Maastrichtian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From the Mustang Shale, among higher beds within the group.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, yellow, calcareous mudstone and gray shale

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Bennison; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: Bennison. REPOSITORY: California Academy of Sciences.

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 83789: authorized by Austin Hendy, entered by Austin Hendy on 01.09.2008, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)