Also known as NMC, GSC

Where: Alberta, Canada (51.8° N, 113.0° W: paleocoordinates 59.5° N, 84.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Horseshoe Canyon Formation (Edmonton Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• uppermost unit 2 of formation, ca. 26 m below coal seam 11 (Carbon coal zone), 16 m below extensive oyster bed (part of Drumheller Marine Tongue)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by C. M. Sternberg in 1925; reposited in the NMC

Collection methods: surface (in situ), 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: general faunal/floral analysis

PaleoDB collection 97797: authorized by Matthew Carrano, entered by Matthew Carrano on 30.08.2010

Creative Commons license: CC BY (attribution)