Locality: Fruita Paleontological Area, localities "Fruita General" and "Fruita Main" Quarry 4, 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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TRUJILLO, 1999

Locality: Ninemile Hill, near Medicine Bow, Carbon County, Wyoming.

Horizon: Upper Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 4.

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

Material:

Number: Not given: Dentary.

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YOUNG, 1991

Locality: Young locality (MWC-122.1), Wells Gulch, SW 1/4, Sec. 26, T14S, R98W, 6th P.M., Delta County, Colorado.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 2.

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

Material:

Number: Not given: Tooth.