Where: Big Horn County, Wyoming (44.3° N, 108.0° W: paleocoordinates 49.0° N, 90.9° W)

• coordinate based on nearby landmark

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

• "Early Eocene Willwod Formation"

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by G. Winterfeld in 1988; reposited in the USGS

• USGS collection

Primary reference: L. M. Witmer and K. D. Rose. 1991. Biomechanics of the jaw apparatus of the gigantic Eocene bird Diatryma: implications for diet and mode of life. Paleobiology 17(2):95-120 [J. Alroy/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 85440: authorized by John Alroy, entered by John Alroy on 18.12.2008

Creative Commons license: CC BY (attribution)