Horse Creek (Banner County) (Oligocene of the United States)

Where: Banner County, Nebraska (41.5° N, 103.8° W: paleocoordinates 42.4° N, 97.3° W)

• coordinate based on political unit

When: Geringian (30.8 - 26.3 Ma)

• Early Arikareean

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 17522: authorized by John Alroy, entered by John Alroy on 21.09.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Canidae
Cynarctoides roii Macdonald 1963 bone-crushing dog
1 mi E of state line, Horse Creek Basin, "20 ft above White Layer" in lower Arikaree Group, Banner County
 Artiodactyla - Merycoidodontidae
Mesoreodon minor1 Douglass 1903 oreodont
 Artiodactyla - Protoceratidae
Protoceras skinneri2 Patton and Taylor 1973 protoceratid
"10 feet below the white layer"; "temporally equivalent to the Gering Formation"