Monroe Creek (Cook Collection) (Oligocene of the United States)

Where: Sioux County, Nebraska (42.9° N, 103.9° W: paleocoordinates 43.7° N, 98.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Monroe Creek Formation, Monroecreekian (26.3 - 24.8 Ma)

• "Upper Oligocene Monroe Creek beds... about 100 feet above the top of the Brule"

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• none given

Size class: macrofossils

Collected by Cook

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

Purpose of describing collection: taxonomic analysis

PaleoDB collection 74154: authorized by John Alroy, entered by John Alroy on 25.07.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Artiodactyla - Hypertragulidae
Hypertragulus sequens n. sp.
Hypertragulus sequens n. sp. Cook 1934 ruminant