Where: Alberta, Canada (50.8° N, 111.1° W: paleocoordinates 58.1° N, 75.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Dinosaur Park Formation (Belly River Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• "pale beds of the Belly River series in sec. 2, T. 22, R. 9 W."

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by P. S. Warren in 1925; reposited in the GSC

Primary reference: C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187421: authorized by Matthew Carrano, entered by Matthew Carrano on 27.07.2017

Creative Commons license: CC BY (attribution)