Ladera Bridge (Miocene to of the United States)

Also known as LSJU 3415

Where: San Mateo County, California (37.4° N, 122.2° W: paleocoordinates 36.6° N, 117.9° W)

• coordinate stated in text

When: Vaqueros Formation, Langhian to Langhian (16.0 - 11.6 Ma)

Environment/lithology: lagoonal; sandstone and siltstone

• calm lagoon leads into a central barrier of shallow water and high turbulunce, and an open sea zone in the south, rapid subsidence

Size class: macrofossils

Preservation: original phosphate

Primary reference: E. L. Packard. 1962. Fossil marine mammals from the vicinity of Stanford University. Journal of Paleontology 36(1):29-37 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51110: authorized by Mark Uhen, entered by Mark Uhen on 27.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Desmatophocidae
"Brachyallodesmus packardi n. gen." = Allodesmus packardi
"Brachyallodesmus packardi n. gen." = Allodesmus packardi Barnes 1972 pinniped
 Cetacea - Cetotheriidae
? Cophocetus sp. Packard and Kellogg 1934 whale
 Cetacea - Delphinidae
Delphinidae indet. Gray 1821 dolphin