Where: Merced County, California (37.0° N, 121.0° W: paleocoordinates 44.3° N, 95.6° W)

• coordinate stated in text

When: Garzas Member (Moreno Formation), Maastrichtian (72.1 - 66.0 Ma)

• in the Garzas member of the Moreno formation, as nearly as can be determined.

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Paleo. 103 Class in 1948; reposited in the UCMP

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: taxonomic analysis

PaleoDB collection 220358: authorized by Jonathan Marcot, entered by Jonathan Marcot on 22.05.2021

Creative Commons license: CC BY (attribution)