WOODRUFF, HORNER, GOODWIN & EVANS, 2025

Locality: MOR Locality TM-034, northwest of Cut Bank, Glacier County, Montana.

Horizon: Upper Two Medicine Formation.

Biostratigraphy:

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

Material:

= Genus: Nova GOODWIN, 1992/HORNER, VARRICCHIO & GOODWIN, 1992
(Indeterminate between Pachycephalosaurus and Stegoceras)

 

Locality: Glacier County, Montana.

Horizon: Top of the Two Medicine Formation.

Biostratigraphy: Green yellow mottled sandstone approximately 3 m below the daum ash (Rogers et al. 1993, 2024) and approximately 55 m below the transition with the overlying bearpaw formation.

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

Material:

MOR 453: Frontoparietal dome.

 

Locality: Ponder County, Montana.

Horizon: Middle Two Medicine Formation.

Biostratigraphy:

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

Material:

MOR 550: Frontoparietal dome.

 

Locality: Milk River Natural Area, badlands on the North side of the Milk River, near One four, Cypress County, Alberta Province, Canada.

Horizon: Upper Muddy Unit, Oldman Formation, Judith River Group (equivalent to the Coal Ridge Member, Judith River Formation).

Biostratigraphy

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

Material:

RTMP 1989.069.0021: A largely complete frontoparietal dome.