Where: Alberta, Canada (50.2° N, 113.0° W: paleocoordinates 58.1° N, 79.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: St. Mary River Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• originally "lower member of Edmonton Fm."

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; concretionary, sandy claystone

Size class: macrofossils

Preservation: concretion

Collected by Stewart & Sternberg in 1946; reposited in the GSC

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: C. M. Sternberg. 1947. New dinosaur from southern Alberta, representing a new family of the Ceratopsia. Geological Society America Bulletin 58:1230 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64352: authorized by Matthew Carrano, entered by Matthew Carrano on 06.09.2006

Creative Commons license: CC BY (attribution)