Where: Yolo County, California (38.9° N, 122.2° W: paleocoordinates 46.2° N, 90.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Forbes Formation, Campanian (83.6 - 72.1 Ma)

• Str. position: Probably Forbes formation; in limy concretions

•Age: Campanian

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, concretionary, calcareous shale

Size class: macrofossils

Reposited in the CAS

Collection methods: surface (float)

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 224991: authorized by Jonathan Marcot, entered by Jonathan Marcot on 15.04.2022

Creative Commons license: CC BY (attribution)