Where: Alberta, Canada (50.7° N, 111.6° W: paleocoordinates 57.9° N, 75.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Oldman Formation (Belly River Group), Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Brown & Kaisen in 1913; reposited in the AMNH

Collection methods: quarrying, mechanical,

Primary reference: R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52483: authorized by Matthew Carrano, entered by Matthew Carrano on 08.08.2005

Creative Commons license: CC BY (attribution)