Gen. sp indet.

ARMSTRONG-ZIEGLER, 1980

Locality: MNA Locality B, 108°30’6"W longitude, 36°29’10"N latitude, T26N, R6W, San Juan Basin, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

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

Material:

MNA PL 1642: Tooth.

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BASZIO, 1997

Locality: Alberta, 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:

RTMP 87.29.7, 86.215.37, 86.219.44, 86.43.35, 87.34.56: Teeth.



Locality: Alberta, Canada.

Horizon: Milk River Formation.

Biostratigraphy:

Age: Aquilian age, Late Santonian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous

Material:

UA MR-4: 63-66: Teeth.

 

Locality: Stephen’s site, Wheatland County, 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:

RTMP 1014: Teeth.

 

Locality: Alberta, Canada.

Horizon: Scollard Formation, Uppermost Edmonton Group.

Biostratigraphy:

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

Material:

Alberta 3: 86, KUA-1: 91, 03, 94: Teeth.


Locality:

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

UA BTB: 149: Teeth.

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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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EVANS, WILLIAMSON, LOEWEN, & KIRKLAND, 2013

Locality: UMNH VP Locality. 261, Clints Cove, Grand Staircase, Kane County, Utah.

Horizon: Middle Member, Wahweap Formation.

Biostratigraphy:

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

Material:

UMNH VP 11939: Frontoparietal dome.

Genus: Nova? (modified from EVANS, et al., 2013) UMNH VP 11939

Referred material:

Fragmentary skull elements.

Locality: Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UMNH VP 16986: Fragmentary dome.

UMNH VP 2112: Nealry comlpete frontoparietal.

UMNH VP 18611: : Fronto-nasal boss and the supraorbital lobe of the frontal.

UMNH VP 18594: Badly  weatehred posterior fragment of a frontparietal.

UMNH VP 9546: Complete squamosal.

UMNH VP 19653: Postorbital.

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GIFFIN, 1989

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

TMP 74.10.73: A fragmentary skull with an endocast.


Locality:

Horizon:

Biostratigraphy:

Age:

Material:

UA 8501: Entire dorsal surface of the endocast.

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HOLRYOD & HUTCHISON, 2002

Locality: V 86073, western North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

172147:

Locality: V 86075, western North Dakota.

Horizon: Hell Creek Formation.

Biostratigraphy:

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

Material:

172400:

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KIRKLAND, BRITT, BURGE, CARPENTER, CIFELLI, DECOURTEN, EATON, HASIOTIS & LAWTON, 1997

Locality: West side of the San Rafael Swell, south of Mussentuchit Wash, SW ¼, NW ¼, SE ¼, Sec. 4, T25S, R6E on the Willow Springs, Utah.

Horizon: Mussentuchit Member, Uppermost Cedar Mountain Formation.

Biostratigraphy:

Age: Mussentuchitan age, Uppermost Albian-Lowermost Cenomanian Stage, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material:

Number: Not given:

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LEHMAN, 2010

Locality: Coal Mine Ranch, western Presidio County, Texas.
Note: Exact location on file at the Vertebrate Paleontology Laboratory of the Texas Memorial Museum.

Horizon: San Carlos Formation.

Biostratigraphy:

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

Material:

TMM 4532-1: An unusual fragment that appears to be part of the parietal portion of the dome and posterior parietosquamosal shelf.

= Stegoceras sp? TMM 42532-2: An abraded frontoparietal dome with parts of the nasal and left prefrontal (?)

 

Locality: A hadrosaur bone-bed accumulation, about 0.5 km southeast of the first locality, Coal Mine Ranch, western Presidio County, Texas.
Note: Exact location on file at the Vertebrate Paleontology Laboratory of the Texas Memorial Museum.

Horizon: 173 m above the base of the San Carlos Formation.

Biostratigraphy:

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

Material:

TMM 42532-3: Dome broken into 3 segments.

 

 


Locality: Western flank of Tornillo Creek, southeast of Panther Junction, Big Bend National Park, Brewster County, Texas.
Note: Exact location on file at the Vertebrate Paleontology Laboratory of the Texas Memorial Museum.

Horizon: Aguja Formation.

Biostratigraphy:

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

Material:

TMM 42010-1: Dome fragment.

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MOORE, MALLON & EVANS, 2020

Locality: Grasslands National Park, Saskatchewan Province, Canada.

Horizon: Frenchman Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragmentary skeleton of a juvenile.

Note: Russell, 1973 originally referred it to a juvenile Thescelosaurus.

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RIVERA-SYLVA, ORTIZ-MENDIETA & DE LA PENA-OVIEDO, 2010

Locality: Near La Salada, Coahuila State, Mexico.

Horizon: Ajuga Formation.

Biostratigraphy:

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

Material:

CPC 538: Single tooth crown.

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SANKEY, 2001, 2005

Locality: LSUMG VL-140, Talley Mountain fossil site, Big Bend National Park, Brewster County, Texas.

Horizon: Aguja Formation.

Biostratigraphy:

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

Material:

LSUMG V-6117: Complete tooth crown.

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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:

TD-16-171: Nasal hornlet.

TD-13-176: Hornlets from postorbital (?) region.

TD-12-220: Tooth.

TD-18-147: Large hornlet from rear of skull?

TD-16-285: Unknow skul element.

TD-09-009: Adult femur.

TD-16-260: Atalas intercentrum possibly from Dracorex.

Number: Not given: 39 teeth, vertebra, ribs, limb elements, unguals and skull fragments (including hornlets).

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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:

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SULLIVAN, 2003

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

MOR 391, RTMP 81.19.232, 82.20.41, 82.19.288, 87.36.364, 89.69.21, 90.107.47, 91.36.343, 92.125.3, 96.93.79, 99.62.3:

?Pachycephalosauria.

CMN 38440, RMTP 82.19.198, 80.16.1185, 80.16.1480, 94.12.740:

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Pachycephalosaur/Styracosaur TANKE, 2007

Locality: 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:

RTMP 88.36.20: Posterior parietal section.

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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:

RTMP P 2612.11: Tooth.

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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 P2943.5: Tooth.

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WATABE & SUZUKI, 2000a

Locality: Tsagan Khushu, Nemegt Basin, Ömnögov (South Gobi), Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

Age: Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

Field number 930918 TK: Skull fragment.

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WHITEBONE, CURRIE & FUNSTON, 2018

Locality: Morrin microsite Locality, southern 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: Teeth of a juvenile.

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WILLIAMSON & CARR, 2002

Locality: NMMNH locality L-4274, Hunter Wash, Bisti/De-na-zin Wilderness Area, San Juan Basin, San Juan County, New Mexico.

Horizon: Hunter Wash Member, Lower Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-30067: Most of fronto-parietal dome.

 

= cf. Sphaerotholus goodwini WILLIAMSON & CARR, (2002) 2003

Locality: NMMNH Locality L-3097, head of Pinabete Arroyo, on the lands of the Havajo Nation, San Juan Basin, San Juan County, New Mexico.

Horizon: Farmington Member, Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-30068: A nearly complete dentary, a fragment of a squamosal and additional skull fragment.
Note: Found with Bistahieversor.

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WILLAMSON & CARR, 2005

Locality: NMMNH locality L-5400, New Mexico.

Horizon: Hunter Wash Member, Lower Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-41020: A partial frontoparietal.

 

Locality: NMMNH L-3921, New Mexico.

Horizon: Hunter Wash Member, Lower Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-41135: Partial frontoparietal.