PETERSON & DAUS, 2019

Locality: Carter County, Montana.

Note: Exact coordinates for the location are on file in the paleontology collections at the Burpee Museum of Natural history.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Number: Not given: Small tooth.

Note: One caudal vertebrae possesses three v-shaped tooth marks and puncture marks more likely than not from a Tyrannosaurus rex.

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