Also known as 1928 Smithsonian Paleontological Expedition

Where: Pondera County, Montana (48.5° N, 112.5° W: paleocoordinates 56.0° N, 77.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Upper Member (Two Medicine Formation), Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by G. F. Sternberg in 1928; reposited in the USNM

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: C. W. Gilmore. 1937. On the detailed skull structure of a crested hadrosaurian dinosaur. Proceedings of the United States National Museum 84(3023):481-491 [M. Carrano/M. Carrano/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53996: authorized by Matthew Carrano, entered by Matthew Carrano on 21.09.2005

Creative Commons license: CC BY (attribution)