Jefferson Ranch (Miocene of the United States)
Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.1° N, 97.4° W)
• coordinate based on political unit
When: Burge Member (Valentine Formation), Clarendonian (13.6 - 10.3 Ma)
Environment/lithology: terrestrial
Primary reference: T. H. V. Rich. 1981. Origin and History of the Erinaceinae and Brachyericinae (Mammalia, Insectivora) in North America. Bulletin of the American Museum of Natural History 171(1):1-116 [J. Alroy/J. Alroy/P. Mannion]more details
PaleoDB collection 18212: authorized by John Alroy, entered by John Alroy on 26.07.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
• data of Storer 1973 place this immediately east of Norden Bridge Quarry in the same section, but less exact data of Rich 1981 place it far to the east near Dutch Creek
Show authors, comments, and common names
Mammalia | |
| |
|