Species: stocki WELLES, 1943
Etymology:
Holotype: CIT 2802
Locality: CIT 354, 2,400 feet W and 110 feet S of NE cor. Sec. 11, T 14S, R 11E, MDB and M, in the Panoche hills Fresno County, 1 1/2 miles NNW of UC locality V3735, California.
Horizon: Moreno Formation.
Biostratigraphy:
Age: Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.
Material: A fairly complete skeleton lacking the skull, anterior part of the
neck and parts of the paddle.
Note: Found with gastroliths.