Cretaceous
Leaellynasaura
Leaellynasaura amicagraphica
The catalogue presents Leaellynasaura as a herbivore member of Hypsilophodontidae that lived during the Cretaceous, between 113.2–110.1 Ma. Its estimated range is 2.0 m in length and 25 kg in mass, giving a practical sense of scale. Reference material comes from Dinosaur Cove, Eumeralla Formation, Victoria, Australia. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Leaellynasaura, the PBDB records the taxonomic attribution as Rich and Vickers-Rich (1989).
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 Albian.
The PBDB catalogues 4 occurrences, with material from the Eumeralla Formation (4). Provenance: Australia.
The catalogue records the holotype as NMV P185992 and the type locality as “Dinosaur Cove, Eumeralla Formation, Victoria, Australia”.
- NMV P185992
- Dinosaur Cove, Eumeralla Formation, Victoria, Australia
The catalogue's reference measurements are 2.0 m in length and 25 kg in mass — estimates, which vary with specimen and method.
- 2.0 m
- 25 kg
The record gathers 17 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
- 2.0 m
- Weight
- 25 kg
- Period
- Cretaceous
- Time range
- 113.2–110.1 Ma
Discovery Information
- First Discovery
- 1989
- Described by
- Thomas Rich & Patricia Rich
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Hypsilophodontidae
- Genus
- Leaellynasaura
- Species
- L. amicagraphica
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 P185992
- Type locality
- Dinosaur Cove, Eumeralla Formation, Victoria, Australia