Milk River ankylosaur (USNM) (Cretaceous of the United States)

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

• coordinate stated in text

• small collection-level geographic resolution

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

• slightly higher horizon than the Brachyceratops site

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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

Primary reference: C. W. Gilmore. 1917. Brachyceratops, a ceratopsian dinosaur from the Two Medicine Formation of Montana, with notes on associated fossil reptiles. United States Geological Survey Professional Paper 103:1-45 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 62541: authorized by Matthew Carrano, entered by Matthew Carrano on 21.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Ankylosauridae
Oohkotokia horneri Penkalski 2014 ankylosaurid
USNM 7943