Genus · Hadrosauridae · Cretaceous
Parasaurolophus
Named by Parks 1922
Parasaurolophus lived 83.6–72.1 million years ago, during the Campanian stage of the Late Cretaceous. The Paleobiology Database lists 20 fossil records for it from 2 countries (United States and Canada) — the 61st most of the 99 genera on this site.
Where it sits in time
Key facts from the records
- Its records are spread over at least 5 formations; the largest share, 50%, is from the Kirtland Formation.
- Its stage range spans about 11.5 million years (36th longest of 99); it is the 16th best-recorded of the 21 ornithopods here.
3 accepted species
| Species | Named by | Records |
|---|---|---|
| Parasaurolophus tubicen | Wiman 1931 | 4 |
| Parasaurolophus cyrtocristatus | Ostrom 1961 | 3 |
| Parasaurolophus walkeri | Parks 1922 | 2 |
Where it was found
20 records with coordinates.
Found alongside
No shared collections with other genera on this site.
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| New Mexico | 14 | 70% |
| Alberta | 4 | 20% |
| Utah | 2 | 10% |
| Country | Records | Share |
|---|---|---|
| United States | 16 | 80% |
| Canada | 4 | 20% |
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 |
| Hypacrosaurus | 83.6–66 Ma | Canada, United States | 37 |
| Rhabdodon | 83.6–66 Ma | France, Spain | 37 |
| Gryposaurus | 199.5–72.1 Ma | Canada, United States | 31 |
| Corythosaurus | 83.6–72.1 Ma | Canada, United States | 29 |
| Kritosaurus | 83.6–72.1 Ma | United States, Canada | 25 |
| Lambeosaurus | 83.6–72.1 Ma | Canada | 19 |
Also from these formations
Data: PBDB taxon 38766 · method