Where: Alberta, Canada (51.5° N, 112.8° W: paleocoordinates 59.2° N, 84.5° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• "at the level of coal zones 7–8"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by J. R. Horner in 1983; reposited in the TMP

Primary reference: P. J. Currie. 1987. Bird-like characteristics of the jaws and teeth of troodontid theropods (Dinosauria, Saurischia). Journal of Vertebrate Paleontology 7(1):72-81 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64324: authorized by Matthew Carrano, entered by Matthew Carrano on 06.09.2006

Creative Commons license: CC BY (attribution)