Also known as UCLA loc. 4253

Where: Siskiyou County, California (41.8° N, 122.5° W: paleocoordinates 47.1° N, 86.1° W)

When: Osburger Gulch Member (Hornbrook Formation), Turonian (93.9 - 89.8 Ma)

• Hornbrook Formation, Osburger Gulch Sandstone Member. Age: Turonian.

Environment/lithology: marine; sandstone

Size class: macrofossils

Collected by W. P. Popenoe in 1954; reposited in the LACM

Collection methods: surface (in situ),

Primary reference: R. L. Squires. 2010. Northeast Pacific Record of the Cretaceous Marine Gastropod Atira and a Review of its Paleobiogeography. Journal of Paleontology 84(6):1022-1030 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 221994: authorized by Jonathan Marcot, entered by Jonathan Marcot on 05.09.2021

Creative Commons license: CC BY (attribution)