Where: Glacier County, Montana (48.6° N, 113.0° W: paleocoordinates 56.5° N, 86.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: St. Mary River Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by B. Brown in 1916; reposited in the AMNH

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 61631: authorized by Matthew Carrano, entered by Matthew Carrano on 21.06.2006

Creative Commons license: CC BY (attribution)