Genus · Hadrosauridae · Cretaceous

Prosaurolophus

Named by Brown 1916

Prosaurolophus lived 83.6–72.1 million years ago, during the Campanian stage of the Late Cretaceous. The Paleobiology Database lists 15 fossil records for it from 2 countries (Canada and United States) — the 80th most of the 99 genera on this site.

Where it sits in time

Key facts from the records

The Dinosaur Park Formation supplies 53% of its records, followed by the Two Medicine Formation.
Daspletosaurus appears in 13% of the collections that hold Prosaurolophus; Troodon in 7%.
Its stage range spans about 11.5 million years (36th longest of 99); it is the 19th best-recorded of the 21 ornithopods here.

1 accepted species

Prosaurolophus has a single accepted species in PBDB.

Species	Named by	Records
Prosaurolophus maximus	Brown 1916	13

Where it was found

15 records with coordinates.

Found alongside

Rock formations

States & provinces

Region	Records	Share
Alberta	12	80%
Montana	3	20%

Country	Records	Share
Canada	12	80%
United States	3	20%

Depositional settings

Rock settings recorded for its fossil sites, where known.

Floodplain2
Crevasse splay1
Channel lag1
Channel1

Other ornithopods of its time

Same group, overlapping stage range, not found in the same collections.

Genus	Age	Country	Records
Thescelosaurus	83.6–66 Ma	United States, Canada	55
Zalmoxes	83.6–66 Ma	Romania, Austria	44
Rhabdodon	83.6–66 Ma	France, Spain	37
Corythosaurus	83.6–72.1 Ma	Canada, United States	29
Kritosaurus	83.6–72.1 Ma	United States, Canada	25
Parasaurolophus	83.6–72.1 Ma	United States, Canada	20
Lambeosaurus	83.6–72.1 Ma	Canada	19

Also from these formations