Where: Baja California Sur, Mexico (27.3° N, 112.3° W: paleocoordinates 27.1° N, 111.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lower Member, Early/Lower Pliocene (5.3 - 3.6 Ma)
• Areanceous tuffs on top of basal dolomite. Represents lower Salada Group (=San Marcos Formation) according to Touwaide (1930).
• bed-level stratigraphic resolution
Environment/lithology: marine; unlithified, tuffaceous sandstone
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 44022: authorized by Austin Hendy, entered by Austin Hendy on 31.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Cardium sp. Linnaeus 1758 cockle | |
Glycymeris sp. Da Costa 1778 clam | |
Pecten (Pecten) keepi, Pecten (Pecten) carrizoensis, Argopecten sp., "Aequipecten abietis" = Argopecten abietis
Pecten (Pecten) keepi Arnold 1906 scallop
Pecten (Pecten) carrizoensis Arnold 1906 scallop
Argopecten sp. Monterosato 1889 calico scallop
"Aequipecten abietis" = Argopecten abietis Jordan and Hertlein 1926 calico scallop | |
Gastropoda | |
Cassis cf. abbreviatus snail | |
Conus sp. Linnaeus 1758 cone shell |