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)
• Middle-upper Piacenzian in stratigraphic column
Environment/lithology: coastal; sandstone and siltstone
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 184958: authorized by Matthew Clapham, entered by Matthew Clapham on 01.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Dusignathus cf. seftoni Deméré 1994 walrus |