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, Middle Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

BYUVP 5103, 8908: Fragmentary distal caudal vertebrae.

BYUVP 5073: Distal caudal vertebra.