Species: procurvicornis SAMPSON, 1995
Etymology: Pro, forward, Latin, and curvus, cuve, Latin, and cornu, horn, Greek,
meaning “forward-curving horn”.
Holotype: MOR 456-8-9-1
Locality: Canyon Bonebed (CBB), Landslide Butte Field Area, approximately 42 km northwest of Cut Bank, Glacier County, Montana.
Horizon: Two Medicine Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material: Incomplete skull with nasal horn, supraorbital regions and partial
paritial.
Referred material:
MOR 456 8-27-87-1: Extra foramen, puckered lesion (TANKE & FARKE, 2006)
Note: Some of the orbital horncores (bosses) have pitting from resorption pits.