Cretaceous
Qantassaurus
Qantassaurus intrepidus
The catalogue presents Qantassaurus as a herbivore member of Hypsilophodontidae that lived during the Cretaceous, between 125.8–121.4 Ma. Its estimated range is 1.8 m in length and 10–15 kg in mass, giving a practical sense of scale. Reference material comes from Flat Rocks, Wonthaggi Formation, Victoria, Australia. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Qantassaurus, the PBDB records the taxonomic attribution as Rich and Vickers-Rich (1999).
The PBDB places it in Elasmaria, and the catalogue record assigns it to the family Hypsilophodontidae.
- PBDB · taxon.parent
- Hypsilophodontidae
In the PBDB record, the reported stratigraphic range is the Barremian.
The PBDB catalogues 2 occurrences, with material from the "Wonthaggi" Formation (2). Provenance: Australia.
The catalogue records the holotype as NMV P199075 and the type locality as “Flat Rocks, Wonthaggi Formation, Victoria, Australia”.
- NMV P199075
- Flat Rocks, Wonthaggi Formation, Victoria, Australia
The catalogue's reference measurements are 1.8 m in length and 10–15 kg in mass — estimates, which vary with specimen and method.
- 1.8 m
- 10-15 kg
The record gathers 11 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
- 1.8 m
- Weight
- 10–15 kg
- Period
- Cretaceous
- Time range
- 125.8–121.4 Ma
Discovery Information
- First Discovery
- 1996
- Described by
- Tom Rich & Patricia Vickers-Rich
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Hypsilophodontidae
- Genus
- Qantassaurus
- Species
- Q. intrepidus
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
- NMV P199075
- Type locality
- Flat Rocks, Wonthaggi Formation, Victoria, Australia