Species: foxi RIGBY & WOLBERG, 1987
Etymology:

Holotype: AMNH 77372

Locality: Clambank Hollow locality, Chouteau County, Montana.

Horizon: Upper Judith River Formation.

Biostratigraphy:

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

Material: Left upper molar.

Referred material:

AMNH 77371: LLML.

 

RIGBY & WOLBERG, 1987

Locality: Quarry 1, Fossil Forest, San Juan Basin, New Mexico.

Horizon: Lower Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UNM-B5485: Upper molar fragment.