Also known as Fifteenmile Crk. carbonaceous shale

Where: Wyoming (44.5° N, 108.3° W: paleocoordinates 49.3° N, 91.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; lithified, carbonaceous shale

Size class: macrofossils

Preservation: adpression, original carbon

Collection methods: quarrying,

Primary reference: S. L. Wing, J. Alroy, and L. J. Hickey. 1995. Plant and mammal diversity in the Paleocene to Early Eocene of the Bighorn Basin. Palaeogeography, Palaeoclimatology, Palaeoecology 115:117-155 [S. Wing/H. Sims/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 11454: authorized by Scott Wing, entered by John Burns on 16.08.2001

Creative Commons license: CC BY (attribution)