Cedar Pass (Protoceras Beds) (Oligocene of the United States)
Where: Jackson County, South Dakota (43.5° N, 101.9° W: paleocoordinates 44.4° N, 94.3° W)
• coordinate based on political unit
When: upper Poleslide Member (Brule Formation), Whitneyan (33.3 - 30.8 Ma)
• member-level stratigraphic resolution
Environment/lithology: terrestrial
Primary reference: J. R. Macdonald. 1951. Additions to the Whitneyan fauna of South Dakota. Journal of Paleontology 25(3):257-265 [J. Alroy/J. Alroy/M. Carrano]more details
PaleoDB collection 17316: authorized by John Alroy, entered by John Alroy on 18.10.1995, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
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Diceratherium tridactylum2 Osborn 1893 rhinoceros "Protoceras beds (late Whitneyan) of South Dakota"
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Archaeotherium lemleyi n. sp.
Archaeotherium lemleyi n. sp. Macdonald 1951 even-toed ungulate from "1 1/2 mi. NW of Cedar Pass, Jackson Co."
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Protoceras celer1 Marsh 1891 protoceratid specimen from 1 mi W of Cedar Pass, Jackson Co., in Protoceras Channels
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