Where: Niobrara County, Wyoming (43.0° N, 104.5° W: paleocoordinates 44.2° N, 96.4° W)
• coordinate based on political unit
When: Orellan (33.9 - 33.3 Ma)
Environment/lithology: terrestrial
Primary reference: C. B. Schultz and C. H. Falkenbach. 1968. The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae. Bulletin of the American Museum of Natural History 139:1-498 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17178: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
all oreodonts of Schultz and Falkenbach 1956 are implicitly from "Brule Zone A"
"Hesperocyon gregarius" Wang 1994: "upper end of Shack Draw" (not clear if this is Chadronian or Orellan)
| Mammalia | |
Miniochoerus gracilis, "Platyochoerus platycephalus" = Miniochoerus affinis, "Stenopsochoerus sternbergi" = Miniochoerus affinis, "Merycoidodon culbertsoni" = Merycoidodon culbertsonii
Miniochoerus gracilis Leidy 1851 oreodont
"Platyochoerus platycephalus" = Miniochoerus affinis Leidy 1869 oreodont
"Stenopsochoerus sternbergi" = Miniochoerus affinis Leidy 1869 oreodont
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii Leidy 1848 oreodont includes their "M. culbertsoni osborni"; "Otionohyus wardi"; and "Genetochoerus periculorum" - all from Brule Zone A
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