Peterson Creek (Upper MV 7303) ( of the United States)
Where: Lemhi County, Idaho (45.0° N, 113.6° W: paleocoordinates 46.2° N, 107.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Peterson Creek Beds Formation, Arikareean (29.5 - 18.5 Ma)
Environment/lithology: terrestrial
Primary reference: R. Nichols. 1976. Early Miocene mammals from the Lemhi Valley of Idaho. Tebiwa 18(2):9-47 [J. Alroy/J. Alroy/M. Uhen]more details
PaleoDB collection 17585: authorized by John Alroy, entered by John Alroy on 26.03.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
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Entoptychus sheppardi Nichols 1976 rodent at Rodent Wash; "upper middle part of section" at Big Wash specimens also listed by Nichols 1979; type; (20 + 1)
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