Where: Park County, Wyoming (44.9° N, 108.9° W: paleocoordinates 50.7° N, 88.4° W)

• coordinate stated in text

• small collection-level geographic resolution

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

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

•

•"about 40 m stratigraphically above Princeton Quarry" (i.e., 720 m): Secord et al. 2002

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: C. R. Schaff. 1985. National Geographic Society Research Reports 20 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 15032: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)