East of US Highway 85 (Gering) ( of the United States)

Where: Laramie County, Wyoming (41.3° N, 105.1° W: paleocoordinates 42.2° N, 99.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

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 17502: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Merycoidodontidae
"Leptauchenia parasimus" = Leptauchenia decora, "Hadroleptauchenia densa" = Leptauchenia major
"Leptauchenia parasimus" = Leptauchenia decora Leidy 1856 oreodont
"upper Gering"
"Hadroleptauchenia densa" = Leptauchenia major Leidy 1856 oreodont
"E. of U.S. Highway 85 and S. of Horse Creek" in "upper Gering"; also their "Pseudocyclopidius lullianus" same locality and horizon