Muttaburrasaurus — artistic reconstruction

Cretaceous

Muttaburrasaurus

Muttaburrasaurus langdoni

The catalogue presents Muttaburrasaurus as a herbivore member of Rhabdodontidae that lived during the Cretaceous, between 103.0–99.0 Ma. Its estimated range is 7.0–9.0 m in length and 2.8 t in mass, giving a practical sense of scale. Reference material comes from Mackunda Formation, Queensland, Australia. Size and mass are approximations and may change with new fossils or methods.

Herbivore103.0–99.0 MaRhabdodontidae

Evidence-backed summary

For Muttaburrasaurus, the PBDB records the taxonomic attribution as Bartholomai and Molnar (1981).

The PBDB places it in Elasmaria, and the catalogue record assigns it to the family Rhabdodontidae.

In the PBDB record, the reported stratigraphic range runs from the Albian to the Cenomanian.

The PBDB catalogues 1 occurrence, with material from the Mackunda Formation (1). Provenance: Australia.

The catalogue records the holotype as QM F6140 and the type locality as “Mackunda Formation, Queensland, Australia”.

  • QM F6140
  • Mackunda Formation, Queensland, Australia

The catalogue's reference measurements are 7.0–9.0 m in length and 2.8 t in mass — estimates, which vary with specimen and method.

  • 7.0-9.0 m
  • 2.8 tons

The record gathers 30 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 map1 PBDB
Mackunda
PBDB occurrences
Map at the time · ~100 Ma1 PBDB
Mackunda
PBDB occurrences
Present mean latitude22.7° S
Reconstructed mean latitude64.0° S

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
7.0–9.0 m
Weight
2.8 t
Period
Cretaceous
Time range
103.0–99.0 Ma

Discovery Information

First Discovery
1981
Described by
Allan Bartholomai & Ralph Molnar

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Ornithischia
Family
Rhabdodontidae
Genus
Muttaburrasaurus
Species
M. langdoni

Paleobiology Database · txn:38750

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
QM F6140
Type locality
Mackunda Formation, Queensland, Australia