Where: Marin County, California (37.9° N, 122.5° W: paleocoordinates 34.8° N, 69.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Valanginian (139.8 - 132.9 Ma)
• bed-level stratigraphic resolution
Environment/lithology: submarine fan; lithified, fine-grained sandstone
Size class: macrofossils
Preservation: mold/impression
Collected by P.P. Dudley; reposited in the UCMP
Primary reference: P. P. Dudley. 1972. Comments on the distribution and age of high-grade blueschists, associated eclogites, and amphibolites from the Tiburon Peninsula, California. Geological Society America Bulletin 83:3497-3500 [M. Clapham/M. Clapham]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 185242: authorized by Matthew Clapham, entered by Matthew Clapham on 17.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
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