Morro Bay (Miocene to of the United States)
Also known as UCMP V75025
Where: San Luis Obispo County, California (35.4° N, 120.9° W: paleocoordinates 35.0° N, 118.3° W)
• coordinate estimated from map
When: Pismo Formation, Late/Upper Miocene to Late/Upper Miocene (11.6 - 3.6 Ma)
Environment/lithology: marine; unlithified, fine-grained, silty sandstone and shale
• massive buff unconsolidated fine silty sandstone, somewhat bituminous, with burrow fillings, root casts, and molds of pelecypods
Size class: macrofossils
Preservation: cast, original phosphate
Reposited in the UCMP
Primary reference: D. P. Domning. 1978. Sirenian evolution in the North Pacific Ocean. University of California Publications in Geological Sciences 118:1-176 [M. Uhen/M. Uhen/M. Uhen] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52203: authorized by Mark Uhen, entered by Mark Uhen on 01.08.2005