Holotype: LACM 2852

Locality: Tumey Hills, Panoche Hills, Fresno County, California.

Horizon: Rosario Group, Moreno Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Right dentary without post-coronoid section or teeth, teeth, right predentary, right premaxilla, right maxilla, right jugal, right quadrate, left squasmosal, right quadratojugal, right portion of postorbital and frontal (?), right scapula missing antero ventrally portion, right and left coracoid missing dorsal borders, left humerus missing both ends, distal foot of ischium.

Note: This specimen has been unofficially called Prosaurolophus paulingi.