Where: McCone County, Montana (47.6° N, 106.2° W: paleocoordinates 54.3° N, 78.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lenticular, gray mudstone and carbonaceous shale

Size class: macrofossils

Collected by D. Hilton in 2006

Collection methods: surface (in situ),

• Collected by Sierra College

Primary reference: M. B. Goodwin and J. R. Horner. 2010. Historical collecting bias and the fossil record of Triceratops in Montana. In M. J. Ryan, B. J. Chinnery-Allgeier, D. A. Eberth (eds.), New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington 551-563 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 109661: authorized by Matthew Carrano, entered by Matthew Carrano on 20.05.2011

Creative Commons license: CC BY (attribution)