Summit Pass oreodont (Miocene of the United States)

Where: Harding County, South Dakota (45.4° N, 103.2° W: paleocoordinates 46.1° N, 99.2° W)

• coordinate based on nearby landmark

When: Arikaree Formation, Hemingfordian (20.4 - 16.0 Ma)

• "Arikaree (?) Formation"

Environment/lithology: terrestrial; volcaniclastic, white siliciclastic sediments

• "white strata with substantial volcanic content"

Size class: macrofossils

Reposited in the SDSM

Collection methods: surface (float),

• "surface prospecting"

Primary reference: D. C. Parris and B. S. Grandstaff. 2003. An oreodont of Miocene age from Slim Buttes, Harding County, South Dakota. Proceedings of the South Dakota Academy of Science 82:61-65 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72052: authorized by John Alroy, entered by John Alroy on 23.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Merycoidodontidae
Merychyus cf. arenarum Cope 1884 oreodont