Also known as Vicinity of San Antonio del Mar

Where: Baja California, Mexico (32.4° N, 117.1° W: paleocoordinates 38.2° N, 88.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Rosario Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• From Saul 2015: "CAS: [39] 1430. Vicinity of San Antonio del Mar (i.e., Johnson’s Ranch), Baja California, Mexico, Rosario Formation, uppermost Campanian to lowermost Maastrichtian."

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the CAS

Primary reference: F. M. Anderson and G. D. Hanna. 1935. Cretaceous geology of Lower California. Proceedings of the California Academy of Sciences 23(1):1-34 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 200117: authorized by Jonathan Marcot, entered by Jonathan Marcot on 15.03.2019

Creative Commons license: CC BY (attribution)