BREITHAUPT, 1982

Locality: East flank of Rock Springs Uplift, Sweetwater County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

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

Material:

UW 15224: Right dentary fragment.

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CALLISON, 1987, FOSTER, 2003

Locality: Fruita Paleontological Area, Mesa County, Colorado.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 4.

Age: Upper Part, Comobluffian age, Tithonian Stage, Uppermost Malm Epoch, Late Jurassic.

Material:

Number: Not given:

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DENTON, 1993

Locality: Ellisdale Site, Monmouth County, New Jersey.

Horizon: Basal Marshalltown Formation, Matawan Group.

Biostratigraphy:

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

Material:

NJSM 14205

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= Contogenys sp., cf. C. sloani 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: Upper Turonian Stage or Lower Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material:

Number: Not given:

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MUNK, 1993

Locality: UMNH VP Locality 77, Campbell Canyon Locality, 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:

UMNH VP 6994 (NPS accession number 417, catalogue number 3946): Jaw with 3 complete teeth and bases of 3 teeth.