Also known as YPM 165, 183, 187, USGS D-1473 (635 m), 1558 (635 m), 1622 (= UCMP V99207; 638 m)

Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.2° N, 90.8° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

• not clear if B & R 87 levels are in terms of the Schankler-Wing or Bown sections

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: D. M. Schankler. 1980. University of Michigan Papers on Paleontology 24 [J. Alroy/J. Alroy] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 15563: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)