Pleasanton (Miocene of the United States)
Also known as Mount Diablo Base; UCMP V-3108
Where: Alameda County, California (37.7° N, 121.9° W: paleocoordinates 36.9° N, 117.3° W)
• coordinate estimated from map
When: Briones Formation, Barstovian (16.0 - 13.6 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; sandstone
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 91538: authorized by Mark Uhen, entered by Mark Uhen on 01.10.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Mammalia | |
Desmostylus hesperus Marsh 1888 desmostylian |