Where: Glacier County, Montana (48.7° N, 112.4° W: paleocoordinates 56.5° N, 85.7° W)

• coordinate based on nearby landmark

• 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 D. Weishampel in 1986

Collection methods: quarrying,

Primary reference: B. J. Chinnery and D. B. Weishampel. 1998. Montanoceratops cerorhynchus (Dinosauria: Ceratopsia) and relationships among basal neoceratopsians. Journal of Vertebrate Paleontology 18(3):569-585 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55267: authorized by Matthew Carrano, entered by Matthew Carrano on 04.10.2005

Creative Commons license: CC BY (attribution)