Where: Fresno County, California (36.1° N, 120.4° W: paleocoordinates 42.2° N, 95.9° 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, Asuncion Gp, which overlies the Garzas Sand Mbr. AGE: Maastrichtian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From the top of the Moreno (resembling Marca Shale).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Hanna in 1929; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: G. D. Hanna. REPOSITORY: California Academy of Sciences.

Primary reference: T. Matsumoto. 1960. Upper Cretaceous ammonites of California. Part III. Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II 1-204 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 86853: authorized by Austin Hendy, entered by Austin Hendy on 21.02.2009

Creative Commons license: CC BY (attribution)