USGS Mesozoic loc. M3046, Grindstone Creek (Cretaceous of the United States)

Where: Glenn County, California (39.7° N, 122.5° W: paleocoordinates 36.8° N, 71.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Buchia uncitoides zone, Berriasian (145.0 - 139.8 Ma)

• About top of lower third of Buchia uncitoides zone.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by D. L. Jones and R. W. Imlay in 1965; reposited in the USNM

Primary reference: D. L. Jones, E. H. Bailey, and R. W. Imlay. 1969. Structural and stratigraphic significance of the Buchia zones in the Colyear Springs-Paskenta Area, California. United States Geological Survey Professional Paper (647-A)A1-A24 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 224840: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Buchiidae
Buchia uncitoides Pavlow 1907 scallop