Genus: Prosaurolophus BROWN, 1916
Etymology: Before Saurolophus.

Species: maximus BROWN, 1916

Referred material:

= Prosaurolophus cf. maximus PIERCE, 2002

Locality: St. Mary’s River Valley near Welling, Alberta Province, Canada.

Biostratigraphy:

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

Material:

Number: Not given: Partial skull and skeleton of a juvenile.
Note: Marine deposit.
Note: Skin impression.