Also known as LACMIP loc. 10880

Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 39.4° N, 87.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pleasants Member (Williams Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• LITHOSTRATIGRAPHIC RELATIONS: From the Pleasants Sandstone, for which lithostratigraphic relationships are not discussed. AGE: Upper Campanian in text; on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: Not stated in text.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

Size class: macrofossils

Collected by Popenoe in 1933; reposited in the LACM

Collection methods: surface (in situ),

• COLLECTOR: Popenoe, 1933. REPOSITORY: California Institute of Technology (at the time).

Primary reference: W. P. Popenoe. 1942. Upper Cretaceous formations and faunas of southern California. Bulletin of the American Association of Petroleum Geologists 26(2):162-187 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220906: authorized by Jonathan Marcot, entered by Jonathan Marcot on 25.06.2021

Creative Commons license: CC BY (attribution)