Where: Douglas County, Oregon (42.7° N, 123.2° W: paleocoordinates 40.8° N, 71.8° W)

• coordinate estimated from map

When: Valanginian (139.8 - 132.9 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by James Storrs in 1907; reposited in the USNM

Primary reference: R. W. Imlay and D. L. Jones. 1970. Ammonites from the Buchia zones in northwestern California and southwestern Oregon. United States Geological Survey Professional Paper 647-B:B1-B59 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225875: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.06.2022

Creative Commons license: CC BY (attribution)