Silas Ranch (Leptauchenia Beds) (Oligocene of the United States)
Also known as DUPLICATE REF 3725 or 3745
Where: Fall River County, South Dakota (43.2° N, 103.2° W: paleocoordinates 44.2° N, 95.7° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Brule Formation, Whitneyan (33.3 - 30.8 Ma)
Environment/lithology: terrestrial
Primary reference: A. E. Wood. 1937. The Mammalian Fauna of the White River Oligocene: Part II. Rodentia. Transactions of the American Philosophical Society 28(2):155-269 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17382: authorized by John Alroy, entered by John Alroy on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
"Prosciurus cf. relictus" = Altasciurus relictus
"Prosciurus cf. relictus" = Altasciurus relictus Cope 1873 mountain beaver from Leptauchenia beds "west of Silas Ranch, Pass Creek" SD DUPLICATE REF 3725 or 3745
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