USGS Mesozoic loc. M2040, Sunflower Trail on north bank of Red Bank Creek (Cretaceous of the United States)

Where: Tehama County, California (40.1° N, 122.7° W: paleocoordinates 38.2° N, 71.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Buchia keyserlingi zone, Valanginian (139.8 - 132.9 Ma)

• Buchia keyserlingi zone.

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, green sandstone

• From 425 ft of greenish-gray sandstone.

Size class: macrofossils

Collected by E. H. Bailey in 1963; 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 224817: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Neocomitidae
Thurmanniceras cf. jenkinsi
Thurmanniceras cf. jenkinsi Anderson 1933 ammonite