Where: Converse County, Wyoming (42.9° N, 105.2° W: paleocoordinates 43.8° N, 99.4° W)
• coordinate based on political unit
When: Arikareean (29.5 - 18.5 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 17686: authorized by John Alroy, entered by John Alroy on 05.08.1996
Creative Commons license: CC BY (attribution)
Taxonomic list
| Mammalia | |
"Hadroleptauchenia extrema" = Leptauchenia major, "Mesoreodon cheeki" = Mesoreodon minor
"Hadroleptauchenia extrema" = Leptauchenia major Leidy 1856 oreodont "3 miles south of Douglas" in "Monroe Creek" equivalent; also their "Pseudocyclopidius lullianus expiratus" of Schultz and Falkenbach 1954 from 3 mi S of Douglas" type, same locality and horizon
"Mesoreodon cheeki" = Mesoreodon minor Douglass 1903 oreodont 3 mi SE of Douglas; includes "Desmatochoerus monroecreekensis" of Schultz and Falkenbach 1954 from 3 mi S of Douglas
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