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: Brule Formation (White River Group), Orellan (33.9 - 33.3 Ma)

• said to be Orellan - "Oreodon zone", Gilmore 1928

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: W. W. Korth. 1981. New Oligocene rodents from western North America. Annals of Carnegie Museum 50(10):289-318 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 17160: authorized by John Alroy, entered by John Alroy on 05.08.1996, edited by Terri Cleary

Creative Commons license: CC BY (attribution)