Northeast of Harrison (Oligocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.4° N, 96.3° W)

• coordinate based on political unit

When: upper Member (Brule Formation), Whitneyan (33.3 - 30.8 Ma)

Environment/lithology: terrestrial

Primary reference: H. J. Cook. 1934. New artiodactyls from the Oligocene and Lower Miocene of Nebraska. American Midland Naturalist 15(2):148-165 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 17350: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• possibly the same as Above Plunkett-Parson's
Mammalia
 Artiodactyla - Hypertragulidae
Hypertragulus quadratus n. sp. Cook 1934 ruminant