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LERBEKMO, SINGH, JARZEN & RUSSELL, 1979/RUSSELL & SINGH, 1978

Locality: In a coulee tributary in the Red Deer River valley, NW 1/4, Sect. 10, Tp.34, R.22, W4, Wheatland County, Alberta Province, Canada.

Horizon: 8m below the Nevis coal seam, Scollard Formation, Uppermost Edmonton Group.

Biostratigraphy:

Age: Lancian Age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material:

UA 9542: A partial crest, occipital condyle and horn.

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STEIN, 2021

Locality: Tooth Draw Deposit, Butte County, South Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: 2 parital parietal bars and associated frill fragments.

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