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:
Numbers: Not given:
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ARMSTRONG-ZIEGLER, 1978
Locality: San Juan Basin, New Mexico.
Horizon: Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Numbers: 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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EATON, DIEM, ARCHIBALD, SCHIERUP & MUNK, 1999
Locality: UMNH VP Locality 10, Paul’s Locality, Markagunt Plateau, Southern Utah.
Horizon: Tibbet Canyon Member, Straight Cliffs Formation.
Biostratigraphy:
Age: Lower or Middle Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.
Material:
Numbers: Not given:
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EATON, MUNK & HARDMAN, 1998
Locality: UMNH VP Locality 77, Bryce Canyon National Park, Garfield County, Utah.
Horizon: Wahweap Formation.
Biostratigraphy:
Age: Aquilian in age, Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
Numbers: Not given:
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GILMORE, 1916
Locality: New Mexico.
Horizon: Naashoibito Member, Latest Kirkland Formation (Alamo Wash Formation).
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
USNM 8349: Broken Fragments.
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GILMORE, 1946
Locality: Lizard locality in South Dragon Valley, Utah.
Horizon: North Horn Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Numbers: Not given:
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JASINSKI, SULLIVAN & LUCAS, 2011
Locality: San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Ojo Alamo Formation.
Biostratigraphy: Alamo Wash Local Fauna.
Age: Late-early or earliest Late Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-2527: 2 carapace fragments.
SMP VP-2590: Carapace and plastron fragments.
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LEHMAN, 1981
Locality: San Juan County, New Mexico.
Horizon: Hunter Wash Local Fauna, Lower Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Numbers: Not given:
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RIVERA-SYLVA, FREY, STINNESBEK, AMEZCUA TORRES & FLORES HUERTA, 2019
Locality: LA14, Las Aguilas site, near Porvenir da Jalpa, Coahuila State, Mexico.
Horizon: Cerro del Pueblo Formation.
Biostratigraphy:
CPC 1853 a, b, c: Fragments of a carapace.
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SULLIVAN, JASINSKI, & LUCAS, 2013
Locality: 313a, New Mexico.
Horizon: De-na-zin Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-2630: Incomplete cosstal.
Locality: 319a, New Mexico.
Horizon: De-na-zin Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-2201: Peripheral.
Locality: 350, New Mexico.
Horizon: De-na-zin Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1892: Peripheral.
SMP VP-1904: Carapace fragment.
SMP VP-1915: Five carapace fragments.
SMP VP-1916: Carapce fragment.
SMP VP-2002: Costal fragment.
SMP VP-2003: 5 costal fragments.
SMP VP-2006: 4 plastron fragments.
SMP VP-2648: Carapace fragment.
Locality: 3488, New Mexico.
Horizon: De-na-zin Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNHP-40512: Incomplete carapace and plastron.
Locality: 4570, New Mexico.
Horizon: De-na-zin Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-33021: 4 carapace fragments.
Locality: 6551, New Mexico.
Horizon: De-na-zin Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-49819 (Previously UA 14391): Carapace plastron.
Locality: 6554, New Mexico.
Horizon: De-na-zin Member?, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-49821: Entoplaston.
Locality: 1464, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22568: 2 carapace/plastron fragments.
Locality: 6559, New Mexico.
?Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-49827 (Previously UA 14393): 4 shell fragments.
Locality: 6542, New Mexico.
Horizon: Hunter Wash Member?, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-49844: Plastron fragment.
Locality: 1674, New Mexico.
Horizon: Fossil Forest Member?, Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22741: Plastron fragment.
Locality: 1700, New Mexico.
Horizon: Fossil Forest Member?, Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22809: 3 shell fragments.
Locality: 1882, New Mexico.
Horizon: Fossil Forest Member?, Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-28326: 2 shell fragments.
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THAYER, RATKEVICH & KRZYZANOWSKI, 1996
Locality: “Sonorosaurus” Quarry, southwestern foothills of Wheitstone Mountains, Pima County, Arizona.
Horizon: Turney Ranch Formation.
Biostratigraphy:
Age: Uppermost Albian-Lowermost Cenomanian Stage, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.
Material:
Arizona-Sonora Museum:
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WINCHESTER, HARES, RUSSELL LLOYD & PARKS, 1916
Locality: F 11, NE 1/4, sec. 2, T19N, R4E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 7, SW 1/4, sec. 26, T17N, R3E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
Locality: F 8, Center of sec. 36, T17N, R3E, South Dakota.
Horizon: Lower Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: