UCMP V99846, Pomponio State Beach (Pliocene of the United States)

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

• coordinate estimated from map

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

• Traditionally mapped as late Miocene (5-6 Ma) Tahana Member of the Purisima Formation, but occurs between ash beds correlated with 3.3-3.4 Ma volcanism and the late Pliocene (2.5 Ma) Ishi Tuff.

Environment/lithology: coastal; sandstone and siltstone

• marine sandstones and siltstones

Size class: macrofossils

Preservation: original phosphate

Reposited in the UCMP

Primary reference: R. W. Boessenecker and N. A. Smith. 2011. Latest Pacific Basin Record of a Bony-Toothed Bird (Aves, Pelagornithidae) from the Pliocene Purisima Formation of California, U.S.A. Journal of Vertebrate Paleontology 31(3):652-657 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 66819: authorized by Mark Uhen, entered by Mark Uhen on 17.10.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ornithurae - Pelagornithidae
Pelagornis sp. Lartet 1857 bird
 Mysticeti - Balaenidae
cf. Eubalaena "sp. 2" Gray 1864 right whale