2.5 Mi. Northeast of Chadron (Oligocene of the United States)

Where: Dawes County, Nebraska (42.8° N, 103.1° W: paleocoordinates 44.0° N, 95.0° W)

• coordinate based on political unit

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

Environment/lithology: terrestrial

Primary reference: B. Patterson and P. O. McGrew. 1937. A soricid and two erinaceids from the White River Oligocene [Colorado]. Field Museum of Natural History, Geological Series 6(18):245-272 [J. Alroy/J. Alroy]more details

PaleoDB collection 17046: authorized by John Alroy, entered by John Alroy on 18.10.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Carnivora - Canidae
Hesperocyon gregarius
Hesperocyon gregarius Cope 1873 canid
6 and 7 ft below Blue Ash
 Theriamorpha - Soricidae
Domnina gradata
Domnina gradata Cope 1873 shrew
2.5 mi N of Chadron, but I believe this is the same locality