Cretaceous
Hypacrosaurus
Hypacrosaurus altispinus
The catalogue presents Hypacrosaurus as a herbivore member of Hadrosauridae that lived during the Cretaceous, between 75 Ma. Its estimated range is 9.0 m in length and 4 t in mass, giving a practical sense of scale. Reference material comes from Alberta, Canada. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Hypacrosaurus, the PBDB records the taxonomic attribution as Brown (1913).
The PBDB places it in Corythosaurini, and the catalogue record assigns it to the family Hadrosauridae.
- PBDB · taxon.parent
- Hadrosauridae
In the PBDB record, the reported stratigraphic range runs from the Campanian to the Maastrichtian.
The PBDB catalogues 16 occurrences, with material from the Horseshoe Canyon Formation (9) and from the Dinosaur Park Formation (1). Provenance: Canada.
The catalogue records the holotype as AMNH 5204 and the type locality as “Alberta, Canada”.
- AMNH 5204
- Alberta, Canada
The catalogue's reference measurements are 9.0 m in length and 4 t in mass — estimates, which vary with specimen and method.
- 9.0 m
- 4 tons
The record gathers 82 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 3D reconstruction
There is no approved species-specific 3D model yet. Generic anatomy will not be presented as if it were evidence.
Physical Specifications
- Length
- 9.0 m
- Weight
- 4 t
- Period
- Cretaceous
- Time range
- 75 Ma
Discovery Information
- First Discovery
- 1913
- Described by
- Barnum Brown
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Hadrosauridae
- Genus
- Hypacrosaurus
- Species
- H. altispinus
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
- AMNH 5204
- Type locality
- Alberta, Canada