BRINKMAN, 1990

Locality: BB 105 (61), BB 71 (4), BB 118 (8), BB 121 (9), BB 100 (55), BB 103 (15), BB 107 (21), BB 98 (18), BB 31 (26), BB 86 (41), BB 51 (48), BB 97 (39), BB 104 (85), BB 78 (51), BB 117 (15), BB 25 (39), BB 106 (32), BB 108 (4), BB 54 (60), BB 102 (61), BB 94 (8), BB 75 (6), BB 120 (78), BB 119 (2), Dinosaur Provincial Park, Newell County, 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:

Number: Not given:

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FIORILLO, 1989

Locality: Top Cat Quarry, Garfield Ranch, Golden Valley County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

Number: Not given:

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GALLAGHER, 1993

Locality: New Jersey.

Horizon: Marshalltown Formation, Matawan Group.

Biostratigraphy:

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

Material:

NJSM 14207:

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GARDNER, EATON, & CIFELLI, 2013

Locality: UMNH VP 424, Paunsaugunt Plateau, Kane County, Southern Utah.

Horizon: Upper part of the John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 19189-19191: Atlantes.

UMNH VP 19192: Trunk vertebra.

Locality: UMNH VP 569, Paunsaugunt Plateau, Kane County, Southern Utah.

Horizon: Upper part of the John Henery Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Late Santonian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 19193: Atlas.

Locality: UMNH VP 130, Kaiparowits Plateau, Kane County, Southern Utah.

Horizon: Upper Member, Wahweap Formation.

Biostratigraphy:

Age: Early-Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 19194-19198: Atlantes.

UMNH VP 19199, 19200: Trunk vertebrae.

Locality: OMNH V 5/MNA 1004-1, Kaiparowits Plateau, Kane County, Southern Utah.

Horizon: Upper half, Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH 67060: Atlas.

Locality: OMNH V 9/MNA 454-6, Kaiparowits Plateau, Kane County, Southern Utah.

Horizon: Lower half, Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH 67061-67066: Atlantes.

OMNH 67067: Trunk vertebra.

Locality: UMNH VP 51, Kaiparowits Plateau, Kane County, Southern Utah.

Horizon: Upper half, Kaiparowits Formation.

Biostratigraphy:

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

Material:

UMNH VP  13275: Trunk vertebra.

Locality: OMNH V 61, Kaiparowits Plateau, Kane County, Southern Utah.

Horizon: Upper half, Kaiparowits Formation.

Biostratigraphy:

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

Material:

OMNH67068-67070: Trunk vertebrae.

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HOGANSON & ERICKSON, 2004

Locality: Missouri River valley, North Dokata.

Horizon: Fox Hills Formation.
Note: Interfingering of Western Interior Seaway with the Hell Creek Formation.

Biostratigraphy:

Age: Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

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LANGSTON, 1975

Locality: A patch of badlands known as Scabby Butte, about 17 miles (27 km) north-northwest of Lethbridge, Lethbridge County, Alberta Province, Canada.

Horizon: St. Mary River Formation.

Biostratigraphy:

Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

NMC 21865: Jaw fragment.

NMC 21866: Several vertebral centra.

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LARSON, BRINKMAN & BELL, 2010

Locality: Albertosaurus bonebed, Alberta Province, Canada.

Horizon: Horseshoe Canyon Formation, Edmonton Group.

Biostratigraphy:

Age: Early Maastrichtian Stage, Late Senonian Subepoch, Late Gulf Epoch, Late Cretaceous.

Material:

RTMP 2009.137.0022: Dorsal vertebra.

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RYAN, BELL & EBERTH, 1995

Locality: Southwest corner of legal subdivision 6, sec. 10, tp 30, range 21, west side of the 4th meridian, close to the mouth of a dry lateral tributary on the east side of Red Deer River, 1.5 miles south of the Munson Ferry, Drumheller, Wheatland County, Alberta Province, Canada.

Horizon: Horseshoe Canyon Formation, lower Edmonton Group.

Biostratigraphy:

Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:
Note: From an Edmontosaurus bonebed.
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STEIN, 2021

Locality: Tooth Draw Deposit, Butte County, South Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Vertebrae.

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TOKARYK & BYRANT, 2004

Locality: SMNH Locality 72F07-0022, in the Frenchman River valley, 215 miles southwest of Regina, near the North Dakota Border, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Note: 28.3 m below the K-T boundary.

Material:

SMNH P2523.290: Right dentary.