ARCHIBALD, 1987
Locality: Piceance Creek Basin, Rio Blanco County, Northwestern Colorado.
Horizon: Williams Fork Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given:
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BRINKMAN & RODRIGUEZ DE LA ROSA, 2006
Locality: Las Aguilas Locality, north of Presa San Antonio near the small town of Porvenir de Jalpa, Coahuila State, Mexico.
Horizon: Cerro Del Pueblo Formation.
Biostratigraphy:
AGe: Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Number: Not given.
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DANIS, 1986
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:
TMP 75.11.19:
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FORILLO, 1989
Locality: Careless Creek Quarry, Wheatland 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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HOLROYD & HUTCHINSON, 2002
Locality: V 86048, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
177966:
Locality: V 86051, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
177956-177932:
Locality: V 86063, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
172285, 172337:
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:
177915:
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:
131705, 132057-132058, 136031, 172444, 177914:
Locality: V 86095, western North Dakota.Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
177904:
Locality: V 86099, western North Dakota.Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
177864:
Locality: V 91092, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
172454:
Locality: V 98035, western North Dakota.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
177848:
Locality: UW V92032, Hanna Basin, Carbon County, Southcentral Wyoming.
Horizon: Ferris Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
26585:
Locality: UW V92036, Hanna Basin, Carbon County, Southcentral Wyoming.Horizon: Ferris Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
26477:
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= Neurankylus sp. indet. type A HUTCHISON, KNELL, & BRINKMAN, 2013
Locality: UCMP V93073, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UMNH VP 20443: Partial skeleton including pelvis and hind limb elements.
UMNH VP 13979: Anterior lobe of plastron.
UMNH VP 20450: Posterior end of plastron visible in ventral view.
UMNH VP 16159: Epiplastron.
UCMP 194216: Framgnteary lobe of plastron and fragmentary shell pieces.
Locality: UCMP V93079, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 15884: Partial plastron including portion of anterior and posterior lobes.
Locality: UCMP V95083, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194122: First peripheral of a very large size.
Locality: UCMP V95087, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194136: Pygal in articulation with suprapygal and 11th peripheral showing the sulci of the 12th marginal.
Locality: UCMP V95090, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194136: Weahtered remains of a shell including part of the posterior lobe of plastron.
Locality: UCMP V98054, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
BYU 12001: Complete carapce and plastron.
BYU 9411: Shell visibel in ventral view.
UCMP 194201: Partial shell including nuchal and the anterolatral quarter of teh shell and anterior half of plastron.
= Neurankylus sp indet. type B
Locality: UCMP V93118, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 15440: Partial skeleton, including left half of carapace, comlete pelvis, both scapulae, a humerus, 2 cervical vertebrae, 2 sacral vertebrae and 2 caudal vertebrae.
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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-14-086: Carapace.
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TRIEBOLD, 1997
SULLIVAN & WILLIAMSON, 1997
Locality: New Mexico.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
PMU.R24j-k: Caudal vertebrae.
PMU.R24l & m:? Fragments of left pelvis.
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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:
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WIMAN, 1933
Locality: Barrell Spring area on De-na-zin Wash, from between the conglomerates of the Ojo Alamo Sandstone, San Juan County, New Mexico.
Horizon: Naashoibito Member, Latest Kirkland Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: