Also known as Landslide Butte Field Area

Where: Glacier County, Montana (49.0° N, 112.6° W: paleocoordinates 56.5° N, 77.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• "upper lithofacies suite", approx. 20 m below Bearpaw Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; siltstone

Size class: macrofossils

Collected by S. Hofsteader, J. Horner & C. Ancell in 1987

Collection methods: quarrying, mechanical,

Primary reference: J. P. Wilson, M. J. Ryan, and D. C. Evans. 2020. A new, transitional centrosaurine ceratopsid from the Upper Cretaceous Two Medicine Formation of Montana and the evolution of the 'Styracosaurus-line' dinosaurs. Royal Society Open Science 7:200284 [G. Lloyd/G. Lloyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52435: authorized by Matthew Carrano, entered by Matthew Carrano on 05.08.2005, edited by Graeme Lloyd

Creative Commons license: CC BY (attribution)