FOX, 1974
Locality: Alberta Province, Canada.
Horizon: Scollard Formation, Uppermost Edmonton Group.
Biostratigraphy:
Age: Lancian Age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
UA 4085b: Upper molar.
Locality: Wyoming.Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 46359: Lower molar.
Locality: Alberta, Canada.Horizon: Dinosaur Park Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
UA 4248: Lower molar talonid.
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KOSTER, CURRIE, EBERTH, BRINKMAN, JOHNSTON & BRAMAN, 1987
Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.
Horizon: Dinosaur Park Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: