UCMP D-2338, Tiburon Peninsula (Cretaceous of the United States)

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
 Pectinida - Buchiidae
Buchia keyserlingi scallop
var. visingensis