BILBEY & HALL, 2000

Locality: Less than 7 km (4 miles) from Carnegie Quarry at Dinosaur National Mounument, Jensen, Uintah County, Utah.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 2.

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

Material:

Number: Not given: Fragmentary skeleton (at least 60 percent of skeleton).
Note: Species nova?

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CURTICE, WEDEL, WILHITE & BOISVERT, 2023

Locality: Dry Mesa Quarry 1, sec. 23, T.50N, R.14, Mesa County, on the Uncompahgre Plateau, in Western Colorado.

Horizon: Lower Upper Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 2.

Age: Lower Part, Comobluffian age, Kimmeridgian Stage, Uppermost Malm Epoch, Late Jurassic.

Material:

BYU 9194, 11506, 17350, 17531, 17689, 17530: Dorsal vertebrae.

BYU 12685: Tibia.

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FOSTER & WEDEL, 2014

Locality: Gordon-Bramson-Brothers Quarry, in a cut through a hogback made by Snowmass Creek, Pitkin County, Colorado.

Horizon: Lower Morrison Formation.

Bistratigraphy

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

Material:

MWC 8028: 4 dorsal central, 5 partial ribs, the sacrum, 5 caudal vertebrae, 3 chevrons, 4 partial neural spines and many fragments.

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HANIK, WHITLOCK & LAMANNA, 2015

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:

CM 79038: 5 partial dorsal vertebrae.

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STEEL 1970/ROBERTS, 1958

Locality: Canyon City, Colorado.

Horizon: Morrison Formation.

Biostratigraphy:

Age: Late Jurassic.

Material:

Number: Not given: Fragmentary skeleton of a large animal.

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STOKES

Locality: Cleveland-Lloyd Dinosaur Quarry, approximately 20 miles south of Price, SE 1/4, SE 1/4, Sec. 21, T17S, R11E, SLBM. lat 39°19’00", Long. 110°41’15"W, San Rafael Swell Area, Carbon County, Utah.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

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

Material:

Number: Not given:

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TURNER & PETERSON, 1999

Locality: DMNH Quarry 4 (Carpenter’s 1990 Quarry or Valley of Death 5 Quarry), Fremont County, Colorado.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 1.

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

Material:

Number: Not given:

Locality: Poison Creek (Erickson) Quarry, Kaycee, Johnson County, Wyoming.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 2.

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

Material:

Number: Not given: