Locality: BYU 7510, North of Arches National Park boundary 3.22 km. 1.2 km east of Dalton Well south of U. S. 160 in section 22, T24S, R20E, Dalton Wells Quarry, Grand County, Southeastern Utah.
Horizon: Member? Cedar Mountain Formation.
Age: Age? Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material: Tail-spined dorsal and caudal vertebrae.
KIRKLAND, BRITT, BURGE, CARPENTER, CIFELLI, DECOURTEN, EATON, HASIOTIS & LAWTON, 1997
Locality: Gaston Quarry west of the Yellow Cat Road, NE ¼, SE ¼, NE ¼, SW ¼, sec. 35, T22s, R21E on the Mollie Hogans, Utah.
Horizon: Yellow Cat Member, Cedar Mountain Formation.
Age: Buffalogapian age, Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.
Number: Not given: