Where: Wheatland County, Montana (46.2° N, 109.7° W: paleocoordinates 53.7° N, 83.2° W)

• coordinate stated in text

• local area-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)

• reworked into overlying lower Bear Formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Silberling

Primary reference: G. G. Simpson. 1937. The Fort Union of the Crazy Mountain field, Montana and its mammalian faunas. Bulletin of the United States National Museum 169:1-287 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167426: authorized by Matthew Carrano, entered by Matthew Carrano on 17.03.2015

Creative Commons license: CC BY (attribution)