Cretaceous
Parasaurolophus
Parasaurolophus walkeri
The catalogue presents Parasaurolophus as a herbivore member of Hadrosauridae that lived during the Cretaceous, between 76.4–74.0 Ma. Its estimated range is 9.5–10.0 m in length and 2.5–3.5 t in mass, giving a practical sense of scale. Reference material comes from Dinosaur Park Formation, Alberta, Canada. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Parasaurolophus, the PBDB records the taxonomic attribution as Parks (1922).
The PBDB places it in Parasaurolophini, and the catalogue record assigns it to the family Hadrosauridae.
- PBDB · taxon.parent
- Hadrosauridae
In the PBDB record, the reported stratigraphic range is the Campanian.
The PBDB catalogues 2 occurrences, with material from the Dinosaur Park Formation (2). Provenance: Canada.
The catalogue records the holotype as ROM 768 and the type locality as “Dinosaur Park Formation, Alberta, Canada”.
- ROM 768
- Dinosaur Park Formation, Alberta, Canada
The catalogue's reference measurements are 9.5–10.0 m in length and 2.5–3.5 t in mass — estimates, which vary with specimen and method.
- 9.5-10.0 m
- 2.5-3.5 tons
The record gathers 97 bibliographic references registered in the PBDB, listed below.
Where it lived
Fossil occurrences on today’s map and in the tectonic reconstruction.
Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.
Artistic reconstruction · speculative details
Soft tissues and colours are speculative; the external form is an artistic interpretation.
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Physical Specifications
- Length
- 9.5–10.0 m
- Weight
- 2.5–3.5 t
- Period
- Cretaceous
- Time range
- 76.4–74.0 Ma
Discovery Information
- First Discovery
- 1922
- Described by
- William Parks
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Hadrosauridae
- Genus
- Parasaurolophus
- Species
- P. walkeri
Data status
Taxonomic name matched to PBDB and checked on 2026-08-08.
Taxonomic linkage does not automatically validate size, mass, behaviour or appearance.
- Type specimen
- ROM 768
- Type locality
- Dinosaur Park Formation, Alberta, Canada