Also known as A 3581

Where: Baja California Sur, Mexico (27.1° N, 112.0° W: paleocoordinates 26.9° N, 110.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: San Marcos Formation, Early/Lower Pliocene (5.3 - 3.6 Ma)

• Small patches of fossiliferous San Marcos limestone rest with marked angular discordance on the underlying Comondu Formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified conglomerate and shale

Size class: macrofossils

Reposited in the UCMP

• Material reposited in the UCMP collections.

Primary reference: J. W. Durham. 1950. 1940 E.W. Scripps cruise to the Gulf of California. Part II - Megascopic paleontology and marine stratigraphy. Geological Society of America Memoir 43(2) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44030: authorized by Austin Hendy, entered by Austin Hendy on 31.08.2004

Creative Commons license: CC BY (attribution)