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 14825A: Partial mandible of a juvenile with fragmentary tooth, molar.

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PROTHERO, 1987

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

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

Material:

AMNH 101145:

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SIGOGNEAU-RUSSELL, MONBARON & KAENEL, 1990

Locality: Eastern High Atlas Mountains, Morocco.

Horizon:

Biostratigraphy:

Age: Early Cretaceous.

Material:

SA9: Lower molar.

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YOUNG 1991

Locality: Young locality, MWC-122.1, Delta County, Colorado.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 2.

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

Material:

Numbers: Not given: 2 teeth fragments.