Where: Park County, Wyoming (44.7° N, 108.8° W: paleocoordinates 49.3° N, 92.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Willwood Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Reposited in the UMMP

Collection methods: surface (float), surface (in situ),

Primary reference: X. Zhou, W. J. Sanders, and P. D. Gingerich. 1992. Functional and behavioral implications of vertebral structure in Pachyaena ossifraga (Mammalia, Mesonychia). Contributions from the Museum of Paleontology, University of Michigan 28(12):289-319 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15709: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)