Where: Alberta, Canada (51.6° N, 112.9° W: paleocoordinates 59.4° N, 78.8° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Horseshoe Canyon Formation (Edmonton Group), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• "lower Edmonton Fm."

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: mold/impression, soft parts

Collected by C. M. Sternberg in 1928; reposited in the BMNH, GSC

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

Primary reference: Anonymous. 1950. The past in the present: from the age of giant reptiles to mediaeval Canterbury. Illustrated London News 217(5810):337 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 189568: authorized by Matthew Carrano, entered by Matthew Carrano on 31.10.2017

Creative Commons license: CC BY (attribution)