Where: Merced County, California (36.9° N, 120.8° W: paleocoordinates 43.0° N, 96.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Moreno Formation (Great Valley Group), Maastrichtian (72.1 - 66.0 Ma)

• LITHOSTRATIGRAPHY: From the Moreno Fm of the Asuncion Gp, for which lithostratigraphic relations are unknown. AGE: Maastrichtian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From higher beds within the group.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text, but possibly Schenck. REPOSITORY: Stanford University.

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 83785: authorized by Austin Hendy, entered by Austin Hendy on 01.09.2008

Creative Commons license: CC BY (attribution)