Also known as UCM loc. 77283

Where: Jefferson County, Colorado (39.6° N, 105.1° W: paleocoordinates 45.7° N, 83.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Puercan (65.5 - 63.3 Ma)

Environment/lithology: terrestrial

Primary reference: M. D. Middleton. 1983. University of Colorado Ph. D. thesis [J. Alroy/J. Alroy] more details

PaleoDB collection 14774: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Pat Holroyd

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)