Where: Montana (47.6° N, 107.0° W: paleocoordinates 54.5° N, 79.5° 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

Collected by O. Hunter in 1902-1906; reposited in the AMNH

Collection methods: quarrying, surface (float), mechanical,

• discovered by Oscar Hunter, purchased from Sensiba Brothers by AMNH in 1904.

Primary reference: Anonymous. 1905. Department of Vertebrate Paleontology. The American Museum Journal 5(1):9-11 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 74009: authorized by Matthew Carrano, entered by Matthew Carrano on 16.07.2007

Creative Commons license: CC BY (attribution)