Where: Glacier County, Montana (48.9° N, 112.6° W: paleocoordinates 56.5° N, 77.7° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Flag Butte Member (Two Medicine Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by C. W. Gilmore in 1928; reposited in the USNM

Primary reference: W. P. Coombs. 1995. Ankylosaurian tail clubs of middle Campanian to early Maastrichtian age from western North America, with description of a tiny club from Alberta and discussion of tail orientation and tail club function. Canadian Journal of Earth Sciences 32:902-912 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 196407: authorized by Matthew Carrano, entered by Matthew Carrano on 12.09.2018

Creative Commons license: CC BY (attribution)