Where: Glenn County, California (39.4° N, 122.3° W: paleocoordinates 39.6° N, 80.4° W)

• coordinate estimated from map

When: Venado Member (Antelope Formation), Late/Upper Albian (105.3 - 99.6 Ma)

• Str. position: Portion of "Antelope shale" below Venado sandstone

•Age: Upper Albian

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Robinson, White, Milow, and S. W. Muller in 1955; 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 225648: authorized by Jonathan Marcot, entered by Jonathan Marcot on 22.05.2022

Creative Commons license: CC BY (attribution)