UCMP 3215 (Miocene of the United States)

Where: Contra Costa County, California (37.9° N, 122.1° W: paleocoordinates 37.1° N, 117.8° W)

• coordinate estimated from map

When: Briones Formation, Middle Miocene (16.0 - 11.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the UCMP

Primary reference: V. L. VanderHoof. 1937. A study of the Miocene sirenian Desmostylus. University of California Publications in Geological Sciences 24(8):169-262 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 159597: authorized by Mark Uhen, entered by Mark Uhen on 05.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Perissodactyla - Desmostylidae
Desmostylus hesperus Marsh 1888 desmostylian