ammonites
Brownie Butte (Cretaceous of the United States)

Also known as UCMP V-73097

Where: Garfield County, Montana (47.6° N, 107.0° W: paleocoordinates 54.4° N, 80.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hell Creek Formation, Lancian (70.6 - 65.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; silty sandstone

Size classes: macrofossils, mesofossils

Collected in 1973-1975; reposited in the UCMP

Collection methods: surface (float),

Primary reference: R. E. Sloan and L. Van Valen. 1965. Cretaceous mammals from Montana. Science 148(3667):220-227 [J. Alroy/J. Alroy/J. Alroy] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14515: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matt Carrano

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