Where: Orange County, California (33.8° N, 117.7° W: paleocoordinates 39.5° N, 87.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Holz Member (Ladd Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• Ladd or Williams Formation; "probably Campanian" per Matsumoto 1960

•Late Campanian after Saul 1991

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by E. L. Packard; reposited in the UCMP

Collection methods: surface (in situ),

Primary reference: E. L. Packard. 1922. New species from the Cretaceous of the Santa Ana Mountains, California. University of California Publications, Bulletin of the Department of Geological Sciences 13(10):413-462 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 207828: authorized by Jonathan Marcot, entered by Jonathan Marcot on 15.02.2020

Creative Commons license: CC BY (attribution)