Milk River valley, south side (Cretaceous of Canada)

Also known as Ornithopod locality

Where: Alberta, Canada (49.0° N, 110.7° W: paleocoordinates 56.2° N, 75.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Comrey Sandstone Member (Oldman Formation), Campanian (83.6 - 72.1 Ma)

• Middle part of formation

Environment/lithology: terrestrial; sandstone

• Specimen located at the base of a prominent 2-m-thick medium sandstone unit with distinct cross-bedding. This sandstone unit is likely part of the base of the Comrey Sandstone. This sand unit overlays a thick mudstone layer and is, in turn, overlain by another mudstone.

Size class: macrofossils

Primary reference: C. M. Brown, D. C. Evans, M. J. Ryan and A. P. Russell. 2013. New data on the diversity and abundance of small-bodied ornithopods (Dinosauria, Ornithischia) from the Belly River Group (Campanian) of Alberta. Journal of Vertebrate Paleontology 33(3):495-520 [P. Mannion/J. Tennant/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144509: authorized by Philip Mannion, entered by Jonathan Tennant on 08.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neornithischia - Thescelosauridae
Orodrominae indet. Brown et al. 2013 ornithischian
TMP 2008.045.0002, partial skeleton