Also known as DDM locality 18-339

Where: Carter County, Montana (45.7° N, 104.7° W: paleocoordinates 52.1° N, 78.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Approximately 39 m below the upper contact with the overlying Fort Union Formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; yellow sandstone

Size class: macrofossils

Collected by Carla Krone and Eric Goldfarb

Primary reference: W. J. Freimuth and J. P. Wilson. 2021. New manual unguals of Trierarchuncus prairiensis from the Hell Creek Formation, Montana, and the ontogenetic development of the functional alvarezsaurid hand claw. Cretaceous Research 119:104698 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 217041: authorized by Philip Mannion, entered by Philip Mannion on 19.01.2021

Creative Commons license: CC BY (attribution)