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Douglas Area Upper Chadron (Eocene of the United States)

Where: Converse County, Wyoming (42.9° N, 105.2° W: paleocoordinates 44.4° N, 96.5° W)

• coordinate based on political unit

When: Chadron Formation, Chadronian (37.2 - 33.9 Ma)

Environment/lithology: terrestrial

Primary reference: E. Evanoff et al. 1992. [J. Alroy/J. Alroy] more details

PaleoDB collection 16942: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)