Also known as MV 7724, MV 7728

Where: Beaverhead County, Montana (45.0° N, 112.8° W)

• Paleocoordinates: 51.6° N, 97.1° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

When: middle Member (Cook Ranch Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial

Primary reference: A. R. Tabrum, D. R. Prothero, and D. Garcia. 1996. Magnetostratigraphy and biostratigraphy of the Eocene-Oligocene transition, southwestern Montana. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 278-311 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 17138: authorized by John Alroy, entered by John Alroy on 12.04.1997, edited by Clint Boyd

Creative Commons license: CC0 (CC0)