Sp

ANDERSON, 1999

Locality: Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

NMC 34824, 8528: Skulls.


Locality: Se of Lisman, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

AMNH 5030: Skull.

 


Locality:

Horizon:

Biostratigraphy:

Age:

Material:

LACM 59049: Skull

MPM 81.426: Skull.

 


Locality: Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

SMM P64.17.3, P66.33.1, P60.9.1, P62.15.2, P93.16.1, P96.17.1, P96.11.1: Skulls.

 


Locality: Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

SMM P2-a-579, P2-A-760: Skulls.

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ANONYMOUS, 1930

Locality: Near Red Lodge, in Southern Montana.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Princeton University: Bones and teeth.

Note: Near the material are fragmentary eggshells.

_____________________________________________________________________________________
ANONYMOUS, 1993

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

UCMP: Teeth of marks of Tyrannosaurus rex on a piece of the pelvis.

_____________________________________________________________________________________
ANONYMOUS, 1997

Locality: Maurice Williams’s Ranch, Cheyenne River Indian Reservation, near Faith, South Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Field Museum: Tooth fragments.

Note: Found with “Sue”.

_____________________________________________________________________________________
BREITHAUPT, 1985

Locality: Wyoming.

Horizon: Medicine Bow Formation.

Biostratigraphy:

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

Material:

Number: Not given:

Locality: Wyoming.

Horizon: Ferris Formation.

Biostratigraphy:

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

Material:

Number: Not given:

_____________________________________________________________________________________
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: 45 specimens.

_____________________________________________________________________________________
BJORK, 1985

Locality: Ruby Site, 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:

_____________________________________________________________________________________
BROWN, 1906

Locality: 130 miles northwest of Miles City, Hell Creek, Montana.

Horizon: In the Ceratops Clays, 240 feet above Pierre Shales, Hell Creek Formation.

Biostratigraphy:

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

Material:

AMNH 971: Fragmentary skeleton.

AMNH 5880: A nearly complete fore limb.

_____________________________________________________________________________________
BROWN & SCHLAIKER, 1940

Locality: Crooked Creek, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

AMNH 5006: Postorbital horn core of a juvenile.

_____________________________________________________________________________________
BROWNE, 1992

Locality: On private property near Lusk, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragmentary skeleton with teeth marks and a broken tyrannosaur tooth.

_____________________________________________________________________________________
CARPENTER, 1979

Locality: Rock Creek, Weld County, Colorado.

Horizon: Laramie Formation.

Biostratigraphy:

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

Material:

UCM 7572: Horn core and basioccipital.

Locality: Weld County, Colorado.

Horizon: Laramie Formation.

Biostratigraphy:

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

Material:

UCM 13745: Frill fragment.

UCM 13749: Horn core fragment.

UCM 38752, 38232, 38233, 39030: Teeth.

_____________________________________________________________________________________
CARPENTER & ALF, 1994/TOKARYK, 1990

Locality: Killdeer Badlands, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

Number: Not given: Baby bone.

_____________________________________________________________________________________
CARPI, 1993

Locality: Eastern badlands of Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR: Nearly complete skull and skeleton.

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DAESCHLER & FIORILLO, 1989

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 17094: Orbital horn core.

ANSP 17095: Occipital condyle.

ANSP 17108: Frill fragment.

_____________________________________________________________________________________
DREVERMANN, 1913

Locality: Not given.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Vaterstadt, Weise, Museum: Skull.

_____________________________________________________________________________________
EATON, DIEM, ARCHIBALD, SCHIERUP & MUNK, 1999

Locality: UMNH VP Locality 11, Webster’s Flat Locality, Markagunt Plateau, Southern Utah.

Horizon: Tibbet Canyon Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage or Lower Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

Number: Not given: 2 teeth.

_____________________________________________________________________________________
ERICKSON & OLSON, 1996

Locality: East central Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 799: Fragmentary skeleton with teeth marks on the sacrum and left pelvis of a Tyrannosaurus rex.

_____________________________________________________________________________________
ESTES, 1964

Locality: UCMP Localities; V-5622, V-5624, V-5625, V-5711, V-5715, V-5717, V-5719, V-5820, V-5922, Eastern Wyoming.

Locality: UCMP V-5003, S 1/2, Sec. 20, T37N, R64W, Lance Creek, Powder River Basin, Niobrara County, Wyoming.

Localities: UCMP V-5616, Altman Blowout, this large blowout, site of the UCMP field-party camps form 1956 to 1960, is just east of the crest of the divide separating Lance Creek and Hancock Creek and 100 yards east of a dirt road. Fossils were found in anthills, talus, and sandstone exposed in the blowout, which is in the NE 1/4, Sec. 9, T37N, R64W, Eastern Wyoming.

Locality: UCMP V-5620, Lull Quarry, near the head of a tributary of Buck Creek, Powder River Basin, Niobrara County (Formerly Converse County), Wyoming.

Locality: UCMP V-5817, False Disciple Point, cross-stratified sandstone and sandy shales cropping out on the top of the northern end of a long, northwestward-trending ridge that extends from the crest of the divide between the Hancock and Lance Creek drainages, Wyoming.

Locality: UCMP V-5818: Anthills built around the rim of the only blowout on the south side of a canyon that empties into a tributary of Hancock Creek, Eastern Wyoming.

Locality: UCMP V-5918, Fish tooth Hill, Anthills and talus found in and around a badland area on the eastern side of a north-trending ridge extending from the crest of the divide between Cow and Dogie Creeks, Eastern Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Numbers: Not given: Isolated teeth.

V-5717: A scapula and associated humerus.

_____________________________________________________________________________________
EVANS, LAM, MADDIN & CONACHER, 2003

Locality: Prehistoric Park Quarry, Alberta Province, Canada.

Horizon: Horseshoe Canyon Formation (Lower Edmonton Formation), Edmonton Group.

Biostratigraphy:

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

Material:

Number: Not given:

_____________________________________________________________________________________
FARKE & ALLEY, 2006

Locality: Full locality data are on file at the TLAM, Corson County, South Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

TLAM G. BA.2004.024.0001: Abnormal squamosal.

Note: Paleopathologic and show rehealing.

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FUJIWARA, 2005

Locality: Bowman County, North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

NSM PV 20379: Nearly complete articulation on the right side.

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FUJIWARA, & YUJI, 2011

Locality: 45°50'N, 103°54'W, Harding County, South Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

GMNH-PV 124: Fragmentary skull and fragmentary skeleton.

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GILMORE, 1919

Locality: Schneider Creek, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

USNM 8091: Articulated 8 dorsal vertebrae.

Locality: Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

USNM 8013: Diseased scapula.

 


Locality:

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

USNM 6679: Fragmentary skull.

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GOODWIN & HORNER, 2010

Locality: HC-425, Afternoon Delight, Montana.

Horizon: Lower part of middle unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2569: Disarticualted skull including parietal, squamosals, postorbital horn core, jual, maxilla and quadrates of a juvenile


Locality: HC-317, Sierra Trike, Sierrra Skull, near Nelson Creek, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1199: Fragmentary skull of a juvenile.


Locality: UCMP V88081, Russell Basin, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 136092: Fragmentary skull of a sub adult.

Numbers: Not given: 3 more fragmentary skulls.

 

Locality: UCMP V88001, High Triceratops, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material :

UCMP 137263: Fragmentary skull of a sub adult.

Numbers: Not given: Fragmentary elements.

 

Locality: Mark’s Trike II Site, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2597: Fragmentary skull of a sub adult.

Numbers: Not given: Fragmentary elements.

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GOODWIN & HORNER, 2014

Locality: UCMP locality V84186, McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

UCMP 136306: Fragmentary skull of a juvenile.

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HOLRYOD & HUTCHISON, 2002

Locality: V 86071, western North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

172090:


Locality: V 86101, western North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

172363:

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JACOBSON & SROKA, 1998

Locality: A private ranch in Corson 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:

_____________________________________________________________________________________
KAYE, 1997 in TANKE & ROTHSCHILD, 2002

Locality: Near Lewistown, Feigns County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Field Museum, Chicago: Skull.
Note: Palaeopathology, one horn is 24 inches long the other is 31 inches long.

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KEENAN & SCANNELLA,2014

Locality: The Quittin' Time Bonebed, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Material:

MOR 2574 (field numbers as follows):

07-28-2006-1: Left dentary.

07-28-2006-1C: Lateral exxtend-right squamosal.

07-28-2006-2: Cranial (contributes to orbit).

07-28-2006-2 (1/4): Premaxillla (in 4 parts).

07-28-2006-2 (2/4): Partial premaxilla.

07-28-2006-2 (3/4): Partial premaxilla.

07-28-2006-2 (4/4): Partial premaxilla.

07-28-2006-3: Partial midline of a frill.

07-28-2006-4: Epinsal.

07-28-2006-5: Right premaxilla.

07-28-2006-6: Partial right squamosal.

07-30-2006-7: Right (?) orbital horn core.

07-30-2006-7A: Posteroir margin squamosal.

07-30-2006-7B:Partial right squamosal.

07-30-2006-7C: Partial (goes with 7A).

07-30-2006-7D: Partial (goes with 7A, 7C).

07-30-2006-8: Left postorbital horn core.

07-30-2006-9: Angular.

07-30-2006-10: Basal left squamosal.

07-30-2006-11: Rostrum.

07-31-2006-12: Right nasal.

07-31-2006-12A: Lacrimal.

07-31-2006-12B: Left nasal.

07-31-2006-13: Right jugal.

07-31-2006-13A: Right lacrimal.

07-31-2006-13B: Venral portion right jugal.

08-06-2006-14,16, 29, 30, 47, 06-23-2006-48, 06-23-2006-54, 55 06-28-2006-56-58: Ribs.

08-06-2006-15: Anterior pubis.

08-06-2006-17, 39: Unknown.

08-06-2006-18: Posterior margin of parietal.

08-06-2006-19 to 23, 27: Vertebrae with process.

08-06-2006-24, 25: Presacral vertebrae.

08-06-2006-26, 28: Centra.

08-06-2006-31: Neural spine + process.

08-06-2006-32, 43: Iliae.

08-06-2006-33 to 36: Rib associated.

08-06-2006-38: Rib part.

08-06-2006-40: Rubis.

08-06-2006-41: Sacral rib.

08-06-2006-42: Vertebra.

08-06-2006-44: Sacrum..

08-06-2006-45, 46: Caudal vertebrae.

06-23-2006-49: Incomplete rib.

06-23-2006-50: Caudal vertebra.

06-23-2006-51: Ischium.

06-24-2006-52: Crushed rib.

06-23-2006-53: Unknown (foil).

06-28-2006-60: Small rib/tendon?

08-08-2006-0: Unknonw weathered bone fragment.

08-06-2006-7 Anterior part of squamosal.

08-06-2006-1: Right squamosal (ventralmost portion.)

08-06-2006-8, 9: Cranial fragments.

MOR 2702 (field numbers as follows):

1: Femur.

4: Turtle Fragments?

5: Unknown long bone.

7: Unknown.

9: Partial premaxilla.

10: Parietal?

06-22-2007-2: Partial premaxilla.

06-22-2007-3: Partial premaxilla.

06-22-2007-6: Quadrate.

06-22-2007-8: Right jugal.

06-28-2007-11: Partial.

07-18-2007-8: Right squamosal.

08-06-2006-2B: PRemaxilla/maxilla fragmtn.

08-08-2006-2A: Premaxilla/maxilla?

08-09-2006-1: Nasal horn.

08-20-2007-12: Cranial fragments.

2702-7028-2006: Postorbital horn core.

2702-07-28-2006: Postorbital horn core.

2702-08-06-2006: Maxilla fragment.

_____________________________________________________________________________________

ILLIES & FOWLER, 2020

Locality: DDM SIte #154/Fedral Site ND 92-19, Custer National Forest, Bowam County?, Southwest North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

NDGS 1715: A partal skull and postcranium.

Note: With five fused caudal vertebrae putting a kink in the tail.

_____________________________________________________________________________________
LONGRICH, HORNER, ERICKSON & CURRIE, 2010

Locality: Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

YPM 53263: Squamosal. Note: Has toothmarks from a Tyrannosaurus rex.

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LULL, 1933

Locality: 8 miles southwest of Eastend, southern Saskatchewan Province, Canada.

Horizon: Lower Ravenscrag Formation.

Biostratigraphy:

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

Material:

NMC: Posterior part of skull.


Locality: East side of Rocky Creek, south of Wood Mountain plateau, Southern Saskatchewan Province, Canada.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

NMC: Posterior two-thirds of skull.

 


Locality: Little Missouri Badlands, southern Billings County, North Dakota.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: 2 or more individuals being present.

 


Locality: Big Horn Basin, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Bones.

 


Locality: Along the eastern flank of the Big Horn Mountains, about 40 miles south of Buffalo, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

Locality: Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

YPM 1838:

 


Locality: Section 30, Tp 39N, R62W, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Tooth.

 


Locality: Hanna Basin, on the old Ferris Ranch, on North Platte River, eastward to the top of the hill north of ‘Middle Ditch’ at the junction with ‘Big Ditch’, Wyoming.

Horizon: Ferris Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragments.

 

Locality: Rio Grande Region, Elephant Butte, New Mexico.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: A few fragmentary vertebrae.

_____________________________________________________________________________________
MATTHEWS, BRUSATTE, WILLIAMS & HENDERSON, 2009

Locality: "Homer site", approximately 40 km southwest of Ekalaka, Carter County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Numbers: Not given: 130 bones and bone fragments of skull and skeletal elements.

_____________________________________________________________________________________

McINTOSH, 1981

Locality: Sheep Mountain, Carter County, Montana.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

CM 30744: Both rami of the mandible.

CM 30746: Teeth.

Locality: Synder Creek, Montana.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

CM 998: Fragments of skull, 14 vertebrae, ribs, right scapula, right coracoid, right humerus, left ulna, part of femur, etc.

CM 1070: Nasal horn.

 


Locality: Lance Creek, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

CM 249: 2 horn cores.

CM 247, 248: 2 cervicals.

CM 253: Vertebra.

CM 241: Dorsal centrum.

CM 242: Metapodial.

CM 255, 257: 2 phalanges.

 


Locality: Lance Creek, Niobrara County, Wyoming.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

CM 1619: 2 horn cores.

 


Locality: Hell Creek, Montana.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

CM 1651: 2 horn cores.

 


Locality: C. A. Sheldon Ranch, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

CM 1618: Rostral bone, left squamosal, both rami of mandible, half dozen vertebrae, sacrum, right scapula, coracoids, left humerus, radius, right ilium, pubes, ischia, left femur, right tibia, etc.

 

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OSBORN, 1906/WALKER, 1964

Locality: Found with the type of Dynamosaurus imperiosus, Seven Mile Creek, six miles north of Cheyenne River, Weston County, Wyoming.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragments of frill.

_____________________________________________________________________________________
OSBORN, 1933

Locality: 16 miles southeast of Lismas, Garfield County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

AMNH 5033: 2 cervicals, 14 dorsals, and 7 caudal vertebrae, 28 ribs, a complete pelvis and sacrum, a complete right hind limb and foot, and a complete left femur.

AMNH 5045: A coossified series of cervical vertebrae.

AMNH 5039: Lower jaw.

Note: Composite skeleton of the Triceratops elatus (skull is Triceratops sternbergii, FORSTER Thesis, nomen nudum) at the American Museum of Natural History.

_____________________________________________________________________________________
OSBORN, 1933

Locality: South of Seminoe Reservoir, Carbon County, Wyoming.

Horizon: Ferris Formation.

Biostratigraphy:

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

Material:

Number: Not given:

Locality: South of the Seminoe Mountains, 40 miles below Fort Steele on the North Platte River, Carbon County, Wyoming.

Horizon: Medicine Bow Formation.

Biostratigraphy:

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

Material:

Number: Not given:

_____________________________________________________________________________________
OTT, 1998

Locality: Carter County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragmentary skeleton indicating scavenging by a theropod.

_____________________________________________________________________________________
RIGBY, JR. NEWMAN, SMIT, VAN DER KAASS, SLOAN & RIGBY, 1987

Locality: McCone County, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

Number: Not given: Shed tooth.

_____________________________________________________________________________________
RUSSELL, 1930

Locality: Colorado.

Horizon: Arapahoe Formation.

Biostratigraphy:

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

Material:

Number: Not given:

_____________________________________________________________________________________

SAKAGAMI & KAWABE, 2020

Locality: Ziebach, Ziebach County, South Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

FPDM-V-9677: Braincase, nasal, premaxillae, maxillae, rostrum, postorbital, jugal, quadate, parietal and squamosal.

 

Locality: 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:

FPDM-V-9775: Isolated braincase.

_____________________________________________________________________________________

SCANNELLA & FOWLER, 2014

Locality: HC-064, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2946: Partial parietal adn squamosal.

 

Locality: HC-069, Wankel T-Rex, northeastern Montana.

Horizon: Upper Unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 598: Epinsal.

MOR 599: Partial maxilla.

MOR 669: Partial braincase.

MOR 670: Partial braincase.

 

Locality: HC-085, Maloney Hill N, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 652: Juvenile squamosal.

 

Locality: HC-108, Irv's Triceratops, northeastern Montana.

Horizon: ?Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 699: Skull, lacking nasal horn and associated with postcrania including caudal vertebrae, dorsal vertebrae, pubis, ribs (skull currently on display at Makoshika State Park Vistor Center).

 

Locality: HC-109, Robert's Microsite, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2583: Frill epiossification.

 

Locality: HC-135, MORT, northeastern Montana.

Horizon: Upper unite (Upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 004: Articualted skull, distal postorbital horn cores reconstructed.

MOR 2584: Epijugla.

MOR 2585: Epijugal.

OR 2586: Epiossification.

 

Locality: HC-114, Brownie Butte Trike, northeastern Montana.

Horizon: Upper unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3057: Postorbital horn core.

 

Locality: HC-172, Bite Trike, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 799: Sacrum.

 

Locality: HC-177, Mickey's Trike, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 965: Partial skull including nasal horn, sections of parietal adn squamosal margin and jugal.

 

Locality: HC-188, TORO 1, northeastern Montana.

Horizon: Lower to lowest middle unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 981: Articulated skull missing left jugal and left half of frill.

 

Locality: HC-191, 2/4/Day Site, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 987: Partial braincase.

 

Locality: HC-192, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 966: Nasal horn.

 

Locality: HC-193, Pompey, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 989: Epinasal and partial rostral.

 

Locality: HC-196, Engdahl Trike, northeastern Montana.

Horizon: Upper Unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 622: Partial skull adn associted postcranial material: scapula and humerus prepared.

 

Locality: HC-199, Trumblo Ranch, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 539: partial disarticulated juvenile skull including postorbital horn cores, and right exoccipital.

 

Locality: HC-209, Johnston Lease, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1053: Baby postrobital horn core.

 

Locality: HC-210, Howell Lease, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1059: Basioccipital and occipital condyle.

 

Locality: HC-235, 'Fisk", northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1098: Postrobita lhorn core.

 

Locality: HC-249, Celestial Clam Bed, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1109: Fragmentry skeleton including epijugal, vertebra and tooth.

 

Locality: HC-250, MORT, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1110: Disarticulated skull.

 

Locality: HC-256, Getaway Trike, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1120: Disarticulated skull.

 

Locality: HC-258, TORO II, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1122: Articulated skull.

 

Locality: HC-265, Coyote Basin, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1129: Partial disarticulated skull including postorbital horn core, occipital condyle, and predentary.

 

Locality: HC-267, Larry's BO, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1133: Basal braincase.

 

Locality: HC-275, Weird Microsite, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2582: Frill epiossifications.

 

Locality: HC-376, Baker Trike, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1604: Articulated skull and syncervical.

 

Locality: HC-280, "F-Rex", northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2728: Partial right nasal.

 

Locality: HC-283, #73 site, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1157: Braincase.

 

Locality: HC-285, Heaven Site, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1160: Associted forelimb elements.

 

Locality: HC-287, Bandana Site, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1162: Associated skeletal elements.

 

Locality: HC-290, DK Site, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2589: Juvenile postorbital horn core.

 

Locality: HC-293, Celeste's Mag. Micro Site, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1167: Juvenile epinsal.

 

Locality: HC-300, Allard#4, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1171: Braincase.

 

Locality: HC-301, Triceratosp sacrum site, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1174: Large sacrum, ischia and pubis.

MOR 1612: Humerus.

 

Locality: HC-308, Mark's Trike, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1186: Partial skull and associated postcrania.

 

Locality: HC-310, Tricertopolis, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1188: Dorsal vertebrae.

 

Locality: HC-389, Marge's Trike, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 1629: Tibia.

 

Locality: HC-392, CSTrike2, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2551: Partial skull including nasal horn, nasals, postrobital horn parieal and associated post crania.

 

Locality: HC-393, BOSH, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2552: Partial skull incluing postorbital horn, partial parietal, squamosal, and firll epiossifications.

 

Locality: HC-426, Mark's Scavenged Trike, northeastern Montana.

Horizon: Middle unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2570: Nasal horn, epijugal pieces of maxilla and frill.

 

 

Locality: HC-428, Mark's Trike Generation, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2572: Juvenile squamosal.

 

 

Locality: HC-430, Quittin' Time, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2574: Bonebed.

 

Locality: HC-431, Wagon Coulee North, northeastern Montana.

Horizon: ?Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2575: Nasal horn.

 

Locality: HC-432, Snap Creek, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2576: Nasal horn.

 

Locality: HC-435, "Twitchel North," northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2579: Juvenile postorbital horn core.

 

 

Locality: HC-438, 6-12-00-CCh Trike, northeastern Montana.

Horizon: ?Middle unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2587: Right nasal.

 

Locality: HC-439,7-4-00-CCH Microsite, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2588: Frill epiossifications.

 

Locality: HC-440, JRH7-2-05-2, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2590: Partial disarticualted premaxilla.

 

Locality: HC-441, Thedford site, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2593: Quadrate.

 

Locality: HC-442, Bf9, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2594: Frill epiossifications.

 

Locality: HC-448, "Sand Creek, Dawson," northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2704: Large partial jugal and epijugal.

 

Locality: HC-520, Joes' Half Day Trike, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2923: Articualted skull missing squamosals and lower jaw.

 

Locality: HC-521, Lon's Trike, northeastern Montana.

Horizon: Upper unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2924: Disarticualed skull including nasal horn, squamosal, nasal, premaxilla, partial parietal adn associated postcrania including huemrus and ulna.

 

Locality: HC-525, Trike Basin, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2827: Postorbital horn and squamosal.

MOR 2928: Squamosal and dentary.

MOR 2929: Juvenile squamosal.

 

Locality: HC-528, Lazy Bones, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2936: Partial disarticulated skull including squamosals, nasal honr, maxilla, and braincase.

 

Locality: HC-529, Prospero, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2937: Partial dentary, frill fragment, and other material.

 

Locality: HC-530, Doldrums, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2942: Squamosal.

 

Locality: HC-531, Lauren's Trike, northeastern Montana.

Horizon: Upper unit (Upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2938: Partial skull including nasal horn, maxilla, dentary, partial parietal.

 

Locality: HC-532, Ducky tail, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 6648: Juvenile Tricertops parietal and squamosa found among Edmontosaurus material.

 

Locality: HC-535, Nosy Nasal, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2941: Nasal horn and ungual.

 

Locality: HC-539, Too Close, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2942: Dentary.

 

Locality: HC-541, JDTrike 14, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2950: Partial skull including braincase, partial squamosal and parietal.

 

Locality: HC-543, TriSarah Tops, northeastern Montana.

Horizon: Upper uint, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2980: Squamosal.

 

Locality: HC-544, DF Juvie Trike3, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2951: Nearly complete disarticulated skull and associted postcrania including humerus, femur, ilium, vertebrae and ribs.

 

Locality: HC-545, Homer's Nose, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2952: Patial skull including epinasal, postorbital horn core and frill fragment.

 

Locality: HC-500, DF Juvie-Horncore, northeastern Montana.

Horizon: Upper unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2958: Juvenile postorbital horn core.

 

Locality: HC-551, Great Googoly Moogly, northeastern Montana.

Horizon: ?Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2959: Firll fragments including frill epiossifications, occipital condyle, and syncervical.

 

Locality: HC-563, Jack's 2008 Parietal, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2969: Juvenile parietal.

 

Locality: HC-564, Crazy Trike, northeastern Montana.

Horizon: Upper part (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2971: Partial skull including premaxilla, nasal horn, rosral, maxilla and frill.

 

Locality: HC-565, Supernasal, northeastern Montana.

Horizon: Upper unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2972: Partial skull including nasal honr, partial squamosal and braincase.

 

Locality: HC-566, Legs, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2974: Partial tibia.

 

Locality: HC-567, More Frill, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2975: Partial skull including postorbital horn core and squamosals.

 

Locality: HC-570, Greene Trike, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2978: Articulated skull with syncervical (missing maxillae, premaxillae and lower jaw).

 

Locality: HC-571, Seth's Trike, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2979: Partial skull, including postorbital horns, maxilla, partial premaxilla (missing much of frill and lower jaws).

 

Locality: HC-573, Three Amigos, northeastern Montana.

Horizon: Middle unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2982:Partial skull including postorbital horn, nasal and nasal horn, dentary, parietal midline, patial squamosal and associated postcrania including vertebrae and femur.

 

Locality: HC-575, 2 Big, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2984: Squamosal.

 

Locality: HC-576, 6 O'Clock Trike, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2985: Squamosal, partial parietal, and associated postcrania.

 

Locality: HC-579, Spike the Trike, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2988: Postorbital horn core.

 

Locality: HC-622, Toothburg, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2991: Includs partial frill and occipital condyle.

 

Locality: HC-623, Halfway Hill, northeastern Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2992: Partial squamosal.

 

Locality: HC-627, Situ but Sad, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2999: Partial skull including parietal, squamosal, braincase and postorbital horns, nasal, maxilla and dentary.

 

Locality: HC-628, Ashes Trike, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3000: Postorbital horn core, parietl, partial squamosal, dentary and scapula.

 

Locality: HC-633, The Horn Resounding, northeastern Montana.

Horizon: Middle unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3004: Skull and associaed postcrania.

 

Locality: HC-634, Antsy Trike, northeastern Montana.

Horizon: Middle unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3005: Partial disarticualted skull including parietal and nasal.


Locality: HC-635, Warwicks's Horn, northeastern Montana.

Horizon: Middle unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3006: Postoribtal horn core.

 

Locality: HC-636, American Beauty, northeastern Montana.

Horizon: Upper unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3008: Nasal horn.

 

Locality: HC-638, The Golden Goose, northeastern Montana.

Horizon: Middle unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3010: Postorbital horn core, nasal horn and dentary.

 

Locality: HC-639, Anky Breaky Heart, northeastern Montana.

Horizon: Middle unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3011: Partial skull including epinasal adn parietal.

 

Locality: HC-642, Trash Trike, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3015: Squamosal and parital braincase.

 

Locality: HC-643, Deveils Horns, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3016: Postorbital horn core and skull fragments.

 

Locality: HC-668, Yoshi's Trike, northeastern Montana.

Horizon: Middle unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3027: Disarticualetd skul including nasal horn, squamosal, nasal, premaxilla, partial parietal and associted potcrania.

 

Locality: HC-671, Jared's Trike, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3029: Parietal.

 

Locality: HC-672, JD Trike 15, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3030: Prital postorbital frill of a juvenile.

 

Locality: HC-682, Cliffhanger, northeastern Montana.

Horizon: Middle unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3045: Prietal, squamosal, and other material.

 

Locality: HC-692, Joey's Trike, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3041: Partial skull including squamosals and braincase.

 

Locality: HC-693, Ed's Trike, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3042: Dentary.

 

Locality: HC-694, GPS Maniac, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3043: Squamosal.

 

Locality: HC-696, Trikey Town 2, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3046: Parietal and dentary.

 

Locality: HC-697, Got the Horn, northeastern Montana.

Horizon: Upper unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3047: Postorbital horn.

 

Locality: HC-698, Wednesday's Trike, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3048: Nasal horn, occipital ocndyle, adn otehr cranial material.

 

Locality: HC-699, Present, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3049: Nasal horn.

 

Locality: HC-700, PVU Trike, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3053: Associated material including postorbital horn core.

 

Locality: HC-702, JD Trike 12, northeastern Montana.

Horizon: Upper unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3056: Juvenile squamosal and postorbital horn core.

 

Locality: HC-704, JDExTrike 2, northeastern Montana.

Horizon: Middle unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3058: Partial horn an djugla.

 

Locality: HC-716, Litle Horny Devil, northeastern Montana.

Horizon: Middle Unit (upper part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3064: Brown horn, partial squamosal, quadrate, epiossifications, jugals, and other cranial elements.

 

Locality: HC-898, Lost and Found, northeastern Montana.

Horizon: Middle unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 7037: Squamosal.

 

Locality: HC-1022, H & M Trike, northeastern Montana.

Horizon: Lower unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 335: Parietal.

 

Locality: HC-1023, Heck's Horn, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3059: Nasal horn.

 

Locality: HC-1026, Brown nose, northeastern Montana.

Horizon: Middle unit (lower part), Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 3055: Nasal horn.

 

Locality: HC-1027, TrikNAs, northeastern Montana.

Horizon: Upper unit, Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 2965: Epinsal.

_____________________________________________________________________________________
SMITH, 1998

Locality: North of Glenrock, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Tate Museum: Skull 70% complete

_____________________________________________________________________________________
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.

_____________________________________________________________________________________

STERNBERG, 1924

Locality: Badlands in Sec. 15, T1, R5W, 3rd principal meridian, Rocky Creek, Saskatchewan Province, Canada.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given:

_____________________________________________________________________________________
STERNBERG, 1949

Locality: Morgan Creek, east branch of 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 8598: Nasal horn core.


Locality: North side of Frenchman River east 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 8864: Nasal horn core.

_____________________________________________________________________________________
TANKE & FARKE, 2006

Locality: Gateway Trike, Montana.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

MOR 965: Skull, including frill, quadrate, jugal and nasal horn core.
Note: POL, left side.

MOR 1120: Skull.
Note: Irregular depression on the left jugal.

 

Locality: Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

RTMP 84.39.12: Fragmentary skull.
Note: Ovate depression, left side of nasal horn core.

_____________________________________________________________________________________

TOEPELMAN, 1926

Locality: North of Briggsdale, Weld County, Colorado.

Horizon: Laramie Formation.

Biostratigraphy:

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

Material:

Number: Not given:

_____________________________________________________________________________________
TOKARYK, 1990

Locality: Killdeer Badlands, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

SMNH: Left supraorbital horncore of a juvenile.
Note: May not be Triceratops.

_____________________________________________________________________________________
TOKARYK, 1997

Locality: Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

P 2606.38: Tooth.

_____________________________________________________________________________________
TOKARYK, 2002, 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 PH 63.9: Humerus of an adult.

SMNH P.2691.1: Humerus of a juvenile.

= cf. Triceratops sp SMNH P2523.110-115, P2523.138, P2523.142, P2523.144, P2523.235, P2689.11, P2989.11, P2943.4, P2943.6-8, P2689.3, P2689.4, P2691.23: Teeth.

_____________________________________________________________________________________
TRIEBOLD, 1997

Locality: Sandy Site, Harding 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:

_____________________________________________________________________________________
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.

SDSM 15154: More than 1000 teeth.

SDSM 15122: 1 juvenile predentary.

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 15153: 263 teeth.

 


Locality: SDSM Locality V853, Leonard’s Lizard Site, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

SDSM 15152: 96 teeth.

 


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 12708: 21 teeth.

SDSM 15151: 16 teeth.

 


Locality: SDSM Locality V851A, Lower Zerbst Locality, Niobrara County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

SDSM 15150: 17 teeth.

_____________________________________________________________________________________
WINCHESTER, JARES, RUSSELL, LLOYD, & PARKS, 1916

Locality: NW 1/4, Sec 2, T18N, R5E, South Dakota.

Horizon: Early Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragmentary skull.

 

Locality: SW 1/4, sec 26, T17N, R3E, South Dakota.

Horizon: Early Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given;

 


Locality: Center of sec 36, T17N, R3E, South Dakota.

Horizon: Early Lance Formation.

Biostratigraphy:

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

Material:

Number: Not given: