Also known as Matsumoto col. 201

Where: Stanislaus County, California (36.7° N, 120.8° W: paleocoordinates 35.8° N, 80.4° W)

• coordinate stated in text

When: Papanatas Conglomerate Member (Panoche Formation), Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)

• Str. position: A calcareous concretion found in the upper part of the Papanatas conglomerate, Panoche group

•Age: Upper Albian or Lower Cenomanian

Environment/lithology: marine; concretionary, calcareous conglomerate

Size class: macrofossils

Collected by M. B. Payne and T. Matsumoto in 1957; reposited in the CAS

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 224967: authorized by Jonathan Marcot, entered by Jonathan Marcot on 14.04.2022

Creative Commons license: CC BY (attribution)