ANONYMOUS, 1997
Locality: Maurice Williams’s Ranch, Cheyenne River Indian Reservation, near Faith, Hill City, South Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Field Museum: 2 partial ilia, 2 vertebrae (one labeled caudal), astragulas, and dorsal vertebrae.
Note: Found with “Sue”.
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BJORK, 1985
Locality: Ruby Site in the northeastern 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:
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BREITHAUPT, 1985
Locality: Wyoming.
Horizon: "Mesaverde" Formation.
Biostratigraphy:
Age: Judithian Age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
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BREITHAUPT, 2001
Locality: Hoodoo Point, SDSM V9717, Thunder Basin National Grassland, Northeastern Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given: 2 specimens.
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BRINKMAN, 1990
Localities: BB 105 (4), BB 100 (1), BB 103 (2), BB 107 (1), BB 31 (3), BB 86 (4), BB 51 (3), BB 97 (2), Dinosaur Provincial Park, Newell County, Alberta Provine, 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: Teeth.
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CARPENTER, 1979
Locality: UCM locality 77062, Weld County, Colorado.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
UCM 38757, 38758: Teeth.
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CARPENTER, 1982
Locality: UCMP V-5711, Bushy Tailed Blowout, Quarry area includes the floor of a small blowout approximately 10 yards northwest of the highest point on the ridge forming the northeastern side of the blowouts of loc. V-5003, S 1/2, Sec. 20, T37N, R64W, Lance Creek, Powder River Basin, Niobrara County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCM 43223: Tooth of a juvenile.
Locality: UCMP V-5620, Lull Quarry, near the head of a tributary of Buck Creek, Powder River Basin, Niobrara County (Formerly Converse County), Wyoming.Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 124972, 124973, 124974, 124975, 124976, 124977: Teeth of juveniles.
Locality: UCMP V-5815, Hatcher Number 2, western side of a cross-stratified sandstone erosional remnant near the center of a large blowout on the crest of a ridge, the distance form the nearest point on the road, approximately 150 yards south of the quarry, to the Johnson ranch is 0.4 miles, Eastern Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 124997, 124998: Teeth of a juvenile.
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FIORILLO & DAESCHLER, 1990
Locality: Vicinity of Fort Yates, North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
ANSP 17098: Ungual phalange.
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GALTON, 1974
Locality: Not certain whether it came from Lance Creek, Wyoming or Western South Dakota.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
AMNH 117 (AMNH 5889 of OSBORN, 1924 and ROMER, 1927): Vertebrae and pelvic girdle.
Locality: Hell Creek Beds, 18 miles east of Limas, Montana.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
AMNH 5052: A toothless dentary.
Locality: Hell Creek Beds of Hell Creek, Montana.Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
AMNH 5889: Vertebrae, ilium and ischium.
Locality: Rocky Creek, Saskatchewan Province, Canada.Horizon: Frenchman Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMC 9493, 9507: Vertebral fragments.
Locality: Cypress Hills, Saskatchewan Province, Canada.
Horizon: Frenchman Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMC 9143: Dorsal centrum.
Locality: Ravenscrag locality 7 miles north west of Eastend, Saskatchewan Province, Canada.Horizon: Frenchman Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMC 9534: Fragmentary dentary
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GANGLOFF, 1998
Locality: North Slope, Alaska.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Teeth and pedal phalanx.
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HUTCHINSON & KUES, 1985
Locality: BUNM 77-25, Bisti area, San Juan Basin, New Mexico.
Horizon: Early Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
FKK-117: Tooth.
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PARRISH, 1999
Locality: Kaiparowits Plateau, Utah.
Horizon: Smoky Hollow Member, Straight Cliffs Formation.
Biostratigraphy:
Age: Upper Turonian Stage, upper Gallic subepoch, lower Gulf Epoch, Early Late Cretaceous.
Material:
OMNH 21512, 24313, 25418: Teeth.
Locality: Kaiparowits Plateau, Utah.Horizon: Wahweap Formation.
Biostratigraphy:
Age: Aquilian in age, Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
OMNH 21813, 24281: Teeth.
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ROLLOT, LYSON & JOYCE, 2018
Locality: 'Big Turtle Cove Locality (DMNH locality 6303), northwest of the town of Marmarth, Slope County, North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
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RUSSELL, L. S. 1968
Locality: About 12 miles southeast of Browning, southwest quarter of sec. 19, ts31N, R9W, Glacier County, Montana.
Horizon: Two Medicine Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
ROM VP 05687: Right tibia.
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= Pachycephalosaurus sp RUSSELL, 1987 (moved to the Thescelosaurus sp
by
EVANS,
BARRETT & SEYMOUR, 2012)
Locality: Henry Farm locality, Scollard Canyon, Alberta Province, Canada.
Horizon: Scollard Formation, Uppermost Edmonton Group.
Biostratigraphy:
Age: Lancian Age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
ROM 26347: Incomplete tooth.
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SNYDER, McLAIN, WOOD & CHADWICK, 2020
Locality: Hanson Ranch (HR), northern Niobrara County, Eastern Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: 4 skeletal elements.
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STENERSON & O’CONNER, 1994
Locality: Northwestern 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, scapula, limb bones and foot elements.
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TANKE pers. comm.
Locality: Near Trochen, Alta, Cypress County, Alberta Province, Canada.
Horizon: Scollard Formation, Uppermost Edmonton Group.
Biostratigraphy:
Age: Lancian Age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
RTMP 81.12.5: Humerus.
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TOKARYK, 1985
Locality: Saskatchewan Province, Canada.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
EM P8.1: Lower limb.
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WHITMORE, 1988
Locality: SDSM Locality V851, Zerbst Locality, east of the Cheyenne River,
Niobrara County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SDSM 12454: 2 maxillary teeth.
Locality: SDSM Locality V852, Hanson Locality, Niobrara County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SDSM 15126: 3 premaxillary teeth.
SDSM 15125: 4 maxillary teeth.
SDSM 12455: 1 dentary tooth.
Locality: SDSM Locality V685, Greasewood Creek Locality, northern side of the south fork of the Greasewood Creek, Niobrara County, Wyoming.Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SDSM 12745: 1 maxillary tooth.
SDSM 12751: 1 premaxillary tooth.
SDSM 12738: 1 distal phalange of the pes.