Also known as UCMP V-77129; UCMP V77129; UWBM C1153

Where: Garfield County, Montana (47.6° N, 107.0° W: paleocoordinates 53.9° N, 81.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pu1 mammal zone, Tullock Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "channel"; pebbly, muddy conglomerate

Size classes: macrofossils, mesofossils

Reposited in the UCMP, UWBM

Collection methods: bulk, surface (float), sieve,

Primary reference: J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14743: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Philip Mannion

Creative Commons license: CC BY (attribution)