Roberts Ranch (Oligocene of the United States)
Where: Scotts Bluff County, Nebraska (41.8° N, 103.8° W: paleocoordinates 42.8° N, 96.4° W)
• coordinate based on political unit
When: Whitneyan (33.3 - 30.8 Ma)
Environment/lithology: terrestrial
Primary reference: D. R. Prothero. 1996. Hyracodontidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 652-663 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 17369: authorized by John Alroy, entered by John Alroy on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
• not clear if this is Whitneyan or Geringian
Show authors, comments, and common names
| Mammalia | |
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Hyracodon leidyanus Troxell 1921 odd-toed ungulate | |