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
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 | |
Merychyus cf. arenarum Cope 1884 oreodont |