Genus · Hadrosauridae · Cretaceous
Saurolophus
Named by Brown 1912
Saurolophus lived 72.1–66 million years ago, during the Maastrichtian stage of the Late Cretaceous. The Paleobiology Database lists 38 fossil records for it from 3 countries (Mongolia, Canada and United States) — the 27th most of the 99 genera on this site.
Where it sits in time
Key facts from the records
- Most of what is known comes from one rock unit: 61% of its records are from the Nemegt Formation.
- It is one of the more widespread genera here: records from 3 countries, 26th of 99.
- Tarbosaurus appears in 45% of the collections that hold Saurolophus; Gallimimus in 21%.
- Its stage range spans about 6.1 million years (83rd longest of 99); it is the 7th best-recorded of the 21 ornithopods here.
2 accepted species
| Species | Named by | Records |
|---|---|---|
| Saurolophus angustirostris | Rozhdestvensky 1952 | 12 |
| Saurolophus osborni | Brown 1912 | 3 |
Where it was found
38 records with coordinates.
Found alongside
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| Omnogov | 23 | 61% |
| Alberta | 13 | 34% |
| Wyoming | 1 | 3% |
| New Mexico | 1 | 3% |
| Country | Records | Share |
|---|---|---|
| Mongolia | 23 | 61% |
| Canada | 13 | 34% |
| United States | 2 | 5% |
Records by stage
Well-dated records, by the stage of their mid-point age.
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 |
| Telmatosaurus | 72.1–66 Ma | Romania, France | 23 |
Also from these formations
Data: PBDB taxon 38768 · method