CARPENTER, 1990

Locality: Big Bend Region, Brewster County, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

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

Material:

OMNH uncatalouged: Co-ossified scapulocoracoid.

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COOMBS, 1971

Locality: Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

ROM 3088, 3129, 3302, 3368, 3516:

NMC 8529, 12-1921 (field number), 9966, 9492: Partial skulls.

NMC 317: Dermal spine.

NMC 9790: Armor.

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HORNER, 1979

Locality: Lake Basin (near Big Lake), about 24 km NNNE of Columbus, Stillwater County, Montana.

Horizon: Bearpaw Formation.

Biostratigraphy:

Age: Upper Campanian-Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

PU 21178: Ulna, partial humerus and scapula.

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LEHMAN, 1989

Locality: TMM 42534, Rattlesnake Mountain, Big Bend National Park, Brewster County, Texas.

Horizon: Lower Aguja Formation.

Biostratigraphy:

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

Material:

AMNH 3072, 3076: Teeth.

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RAMIREZ-VELASCO, & HERNANDEZ-RIVERA, 2015

(Martinez-Diaz, 2011, Martinez-Dias and Montelano-Ballesteros, 2011)

Locality: El Rebaji, Ocampo, Coahuila State, Mexico.

Horizon: Aguja Formation.

Biostratigraphy:

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

Material:

IGM, number not given: Osteoderms.