UCMP V99859, San Gregorio section, Half Moon Bay (Pliocene of the United States)

Where: San Mateo County, California (37.3° N, 122.4° W: paleocoordinates 37.1° N, 121.5° W)

• coordinate based on nearby landmark

When: Purisima Formation, Piacenzian (3.6 - 2.6 Ma)

• Probably from middle-upper part of San Gregorio section

Environment/lithology: coastal; sandstone and siltstone

• strong influence of physical processes (waves, etc.)

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. W. Boessenecker. 2013. A new marine vertebrate assemblage from the Late Neogene Purisima Formation in Central California, part II: Pinnipeds and Cetaceans. Geodiversitas 35(4):815-939 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 184967: authorized by Matthew Clapham, entered by Matthew Clapham on 01.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Otariidae
Callorhinus cf. gilmorei Berta and Deméré 1986 fur seal
 Cetacea - Cetotheriidae
Herpetocetus sp. Van Beneden 1872 whale
 Cetacea - Phocoenidae
Phocoenidae "indet. 2" Gray 1825 porpoise