Where: Hot Springs County, Wyoming (43.7° N, 108.7° W: paleocoordinates 50.5° N, 85.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Fort Union Formation, Puercan (66.0 - 63.3 Ma)

• Earlier literature referred to this as the 'Polecat Bench Formation'

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: L. M. Van Valen. 1978. The beginning of the Age of Mammals. Evolutionary Theory 4:45-80 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14807: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)