DANIS, 1986

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:

UA 300:

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HORNER, 1988

Locality: UCMP Locality No. V83125, Canadian Creek, Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

MOR: Partial skull.

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OSTROM, 1961

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

ROM 667: