Black Mountain (Natrona County) (Eocene of the United States)
Also known as Locality 23
Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 44.8° N, 98.4° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: White River Formation, Chadronian (37.2 - 33.9 Ma)
Environment/lithology: terrestrial
Primary reference: F. B. Van Houten. 1964. Tertiary geology of the Beaver Rim area, Fremont and Natrona Counties, Wyoming. United States Geological Survey Bulletin 1164:1-99 [J. Alroy/J. Alroy/J. Ju]more details
PaleoDB collection 16911: authorized by John Alroy, entered by John Alroy on 21.09.1998
Creative Commons license: CC BY (attribution)
Taxonomic list
• east of the main Beaver Divide field area
Show authors, comments, and common names
| Mammalia | |
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Equidae indet. Gray 1821 horse | |
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Archaeotherium sp. Leidy 1850 even-toed ungulate | |
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Merycoidodontidae indet. Cook 1912 oreodont | |