USGS Mesozoic loc. M1578, northern tributary to Mill Creek (Cretaceous of the United States)

Where: Tehama County, California (40.0° N, 122.5° W: paleocoordinates 38.0° N, 71.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Valanginian. About 1,075 ft above base of 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 Jones, D. L., and Imlay, R. W. in 1962; 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 224812: 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 jenkinsi
Thurmanniceras jenkinsi Anderson 1933 ammonite