Where: Montana (47.6° N, 106.8° W: paleocoordinates 54.4° N, 79.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: soft parts

Collected by B. Brown & Kaisen in 1906; reposited in the AMNH

Collection methods: surface (in situ),

Primary reference: Anonymous. 1907. Department of Vertebrate Palaeontology; field expeditions of 1906. The American Museum Journal 7(1):6-8 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57765: authorized by Matthew Carrano, entered by Kaitlin Maguire on 21.12.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)