Where: Big Horn County, Wyoming (44.7° N, 108.5° W: paleocoordinates 49.3° N, 91.8° W)

• coordinate stated in text

When: "Gray Bull" beds Member (Willwood Formation), Early/Lower Eocene (55.8 - 48.6 Ma)

Environment/lithology: fluvial; siliciclastic sediments

Size classes: macrofossils, mesofossils

Primary reference: F. S. Szalay. 1974. A new species and genus of early Eocene primate from North America. Folia Primatologica 22:243-250 [K. Beard/K. Beard]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188084: authorized by K. Christopher Beard, entered by K. Christopher Beard on 22.08.2017

Creative Commons license: CC BY (attribution)