Where: Fresno County, California (36.8° N, 120.8° W: paleocoordinates 42.9° N, 90.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Panoche Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• Str. position: "Pachydiscus silt"

•Age: UpPer Senonian (probably UpPer Campanian)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Paleo. 137 in 1953; 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 225929: authorized by Jonathan Marcot, entered by Jonathan Marcot on 08.06.2022

Creative Commons license: CC BY (attribution)