BRITT, 1991

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:

BYUVP 5201: Fragmentary caudal vertebra.

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= Marshosaurus (?) sp TURNER & PETERSON, 1999

Locality: Homestead Quarry, Dinosaur National Monument East, Moffat County, Colorado.

Horizon: Lower Part, Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 2.

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

Material:

Number: Not given: