CIFELLI, 1994

Locality: Terlingua local fauna, OMNH V58 (TMM 43057), 8 km NNE Study Butte, Brewster County, Big Bend of the Rio Grande, Texas.

Horizon: Basal upper shale member, Agua Formation.

Biostratigraphy:

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

Material:

OMNH 22725: Upper right cheek tooth which, if for the adult dentition, would be M.

OMNH 22730: Right M3.

OMNH 25206: Right M4.

Several isolated molars.