ANONYMOUS, 1958

Locality: West of Delta, Montrose County, Colorado.

Horizon: Member? Morrison Formation.

Biostratigraphy: Zone?

Age: Age?, Stage?, Malm Epoch, Late Jurassic.

Material:

USNM: Femur (7 feet 1 inch)

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= Ultrasauros macintoshi (JENSEN, 1985) OLSHEVSKY, 1991

Referred material:

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 9462 (Jensen’s number BYU 5001): Scapulocoraoid.

BYU 5002: Anterior caudal vertebra.

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JENSEN, 1987

Locality: Jensen/Jensen Quarry, south of the Green River, a few miles from the Dinosaur National Monument Quarry, Jensen, Colorado.

Horizon: Member? Morrison Formation.

Biostratigraphy: Zone?

Age: Age?, Stage?, Malm Epoch, Late Jurassic.

Material:

Number: Not given: A distal cervical vertebra, proximal half of a scapula, rib, and a coracoid.

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ROTHSCHILD & MOLNAR, 2005

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

KU 12974: Metatarsal IV.

Note: Has a stress fracture.

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SIMON, 1997

Locality: Greybull, Wyoming.

Horizon: Member? Morrison Formation.

Biostratigraphy: Zone?

Age: Age?, Stage?, Malm Epoch, Late Jurassic.

Material:

Number: Not given: Cervical vertebrae.

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TSCHOPP, MATEUS & BENSON, 2015

Locality: Howe Quarry, near Shell, Greybull, Big horn County, Wyoming.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 2.

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

Material:

SMA 0009: An imature specimen.

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= Brachiosaurus (?) sp TURNER & PETERSON, 1999

Locality: Lower Split Rock Site 1 (in lower sandstone bed), Mesa County, Western Colorado.

Horizon: Middle Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

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

Material:

Number: Not given:

Locality: Callison’s Quarries, Fruita Paleontological area, Fruita, near Grand Junction, Mesa County, Colorado.

Horizon: Lower Upper Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 2.

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

Material:

Number: Not given:

 

= Brachiosaurus ?

Locality: Holt’s Quarry 2, Rigg’s Hill area, Grand Junction, Mesa County, Colorado.

Horizon: Morrison Formation, lower of the Upper Brushy Basin Member, Zone 3, Horizon: Middle Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

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

Material:

Number: Not given:

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WEDEL, BONNAN & SANDERS, 2002, BONNAN & WENDAL, 2004

Locality: OMNN V92, Stovalls Pit 1 (Kenton Pit 1, Quarry No. 1), on Highway 64, 8 miles east of Kenton, Cimarron County, Oklahoma.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

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

Material:

OMNH 01138: Metacarpal II.
Note: Orginally thought to belong to Camarasaurus.

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WEDEL, CIFELLI & SANDERS, 2000

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 12866: Cervical vertebrae C5.

BYU 12867: Cervical vertebrae C10.