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UNSM Sx-6 (Orella D) (Oligocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.6° N, 95.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Orella D Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial

Reposited in the UNSM

Primary reference: W. W. Korth. 1989. Geomyoid rodents (Mammalia) from the Orellan (middle Oligocene) of Nebraska,. Los Angeles Museum of History, Science Series 33:31-46 [J. Alroy/J. Alroy/M. Uhen] more details

PaleoDB collection 17222: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)