Brachylophosaurus — artistic reconstruction

Cretaceous

Brachylophosaurus

Brachylophosaurus canadensis

The catalogue presents Brachylophosaurus as a herbivore member of Hadrosauridae that lived during the Cretaceous, between 77.5 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.

Herbivore77.5 MaHadrosauridae

Evidence-backed summary

For Brachylophosaurus, the PBDB records the taxonomic attribution as Sternberg (1953).

The PBDB places it in Brachylophosaurini, and the catalogue record assigns it to the family Hadrosauridae.

In the PBDB record, the reported stratigraphic range is the Campanian.

The PBDB catalogues 8 occurrences, with material from the Judith River Formation (5), from the Oldman Formation (2) and from the Claggett Formation (1). Provenance: United States and Canada.

The catalogue records the holotype as CMN 8893 and the type locality as “Alberta, Canada”.

  • CMN 8893
  • 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 46 bibliographic references registered in the PBDB, listed below.

Records compiled on 2026-08-08

Where it lived

Fossil occurrences on today’s map and in the tectonic reconstruction.

Present-day map8 PBDB
Judith RiverClaggettOldmanJudith RiverJudith RiverOldmanJudith RiverJudith River
PBDB occurrences
Map at the time · ~80 Ma8 PBDB
Judith RiverClaggettOldmanJudith RiverJudith RiverOldmanJudith RiverJudith River
PBDB occurrences
Present mean latitude48.7° N
Reconstructed mean latitude58.4° N

Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.

Paleobiology Database · GPlates · CC BY 4.0

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
77.5 Ma

Discovery Information

First Discovery
1953
Described by
Charles M. Sternberg

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Ornithischia
Family
Hadrosauridae
Genus
Brachylophosaurus
Species
B. canadensis

Paleobiology Database · txn:38757

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
CMN 8893
Type locality
Alberta, Canada