GAO & FOX, 1996

Locality: Lsd. 10, Sec. 29, Tp21, R12, W4, near the Railway Grade Locality, Southern Alberta Province, Canada.

Horizon: Oldman Formation, middle Judith River Group.

Biostratigraphy:

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

Material:

UALVP 944: A small but completely co-ossified frontal.

_____________________________________________________________________________________

= ?Exostinus NYDAM, 2013

Locality: OMNH locality V5, approximately 14 km northeast of the town of Henrieville, Garfield County, Utah.

Horizon: Lower Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH 66100: A rectangular osteoderm.

OMNH 66104: Broken ostoderm.

Locality: UMNH locality V108, approximately 14 km northeast of the town of Henrieville, Garfield County, Utah.

Horizon: Lower Kaiparowits Formation.

Biostratigraphy:

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

Material:

UMNH VP 18059: Rectangular ostoderm with similar, but worn ornamention.

UMNH VP 18063: An elongate, ovoid osteoderm.

Locality: OMNH locality V9, approximately 26 km southeast of the town of Henrieville, Kane County, Utah.

Horizon: Lower Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH 33885: A left dentary missing the anteriormost and posteriormost portions of the element.

OMNH 33860: A right maxilla mising the anteriormost and posteriormost portions. All six of the preserved tooth spaces have comlpete teeth.

_____________________________________________________________________________________

SAHNI, 1972

Locality: Just north of the Judith River on the Missouri River in north-central Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

AMNH 8498: Maxillary fragment.