Also known as USGSD-2001

Where: Colorado (39.3° N, 108.2° W: paleocoordinates 45.1° N, 89.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Atwell Gulch Member (Fort Union Formation), Tiffanian (61.7 - 56.8 Ma)

• 261 m below the upper contact of the Late Paleocene Fort Union Formation (Atwell Gulch Member), with the Early Eocene Wasatch Formation (Molina Member); Lichtig and Lucas (2015) report this site as Clarkforkian.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; brown, gray sandstone and claystone

Size classes: macrofossils, mesofossils

Reposited in the UCM

Primary reference: B. J. Burger. 2013. A new species of the archaic primate Zanycteris from the late Paleocene of western Colorado and the phylogenetic position of the family Picrodontidae. PeerJ 1:e191:1-11 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174227: authorized by Philip Mannion, entered by Philip Mannion on 05.11.2015, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)