CIFELLI & GORDON, 1999

Locality: OMNH locality V843 (=MNA 995), Garfield County, Utah.

Horizon: Smoky Hollow Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage, upper Gallic subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

MNA V6305: Fragment of left maxilla with one premolar.

MNA V6364: Isolated cheek tooth.

Locality: OMNH locality V60, Garfield County, Utah.

Horizon: Smoky Hollow Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage, upper Gallic subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

OMNH 29041, 29043: Isolated cheek teeth.

 

Locality: OMNH locality V8, Garfield County, Utah.

Horizon: Wahweap Formation.

Biostratigraphy:

Age: Aquilian in age, Lower Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

MNA 4622: Isolated cheek tooth.

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EATON, 2009

Locality: Locality 161, Paunsaugunt Plateau, Utah.

Horizon: Dakota Formation.

Biostratigraphy:

Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.

Material:

UMNH VP 11632: Incomplete RMX.

UMNH VP 11633: Incomplete upper molar.

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EATON & CIFELL, 1988

Locality: Kaiparowits Plateau, Southern Utah.

Horizon: Smoky Hollow Member, Straight Cliffs Formation.

Biostratigraphy:

Age: Upper Turonian Stage, upper Gallic subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

Number: Not given:

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ENGELMANN & CALLISON, 1998

Locality: Quarry face as exposed inside the Dinosaur National Monument Visitor Center, Carnegie Quarry, Vernal, Uintah County, Utah.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

DINO 10766: Left lower molar.

DINO 10768: Left upper molar.

DINO 10767: Right upper molar.

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HU, WANG, FOX & LI, 2005

Locality: Liaoning Provine, China.

Horizon: Shahai Fromation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

IVPP V7480: Nearly complete right lower ja.

IVPP V781: Anterrior portion of left lower jaw.

IVPP V782: Anterior part of left lower jaw.

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

Locality: Utah.

Horizon: Dakota Formation.

Biostratigraphy:

Age: Age? Stage?, upper Middle Campanian Stage, upper middle Senonian subepoch, lower Gulf Epoch, Middle Cretaceous.

Material:

Number: Not given:

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SUAREZ, FREDERICKSON, DIFELLI, PITTMAN, NYDAM, HUNT-FOSTER & MOGAN, 2021

Locality: Briar Site, ca. 18 km NNW Nashville, 34.09°N, 93.88°W, Howard County, Southwest Arkansas.

Horizon: Uppermost Holly Cross Formation, Trinity Group.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Late Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given: Nealry complete premolar.