
Jurassic
Huayangosaurus
Huayangosaurus taibaii
The catalogue presents Huayangosaurus as a herbivore member of Huayangosauridae that lived during the Jurassic, between 170.0–160.0 Ma. Its estimated range is 4.0–5.0 m in length and 500–900 kg in mass, giving a practical sense of scale. Reference material comes from Dashanpu Formation, Sichuan, China. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Huayangosaurus, the PBDB records the taxonomic attribution as Dong et al. (1982).
The PBDB places it in Huayangosauridae, and the catalogue record assigns it to the family Huayangosauridae.
- PBDB · taxon.parent
- Huayangosauridae
In the PBDB record, the reported stratigraphic range runs from the Bajocian to the Oxfordian.
The PBDB catalogues 1 occurrence, with material from the Shaximiao Formation (1). Provenance: China.
The catalogue records the holotype as ZDM T7001 and the type locality as “Dashanpu Formation, Sichuan, China”.
- ZDM T7001
- Dashanpu Formation, Sichuan, China
The catalogue's reference measurements are 4.0–5.0 m in length and 500–900 kg in mass — estimates, which vary with specimen and method.
- 4.0-5.0 m
- 500-900 kg
The record gathers 26 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
- 4.0–5.0 m
- Weight
- 500–900 kg
- Period
- Jurassic
- Time range
- 170.0–160.0 Ma
Discovery Information
- First Discovery
- 1982
- Described by
- Dong Zhiming et al.
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Huayangosauridae
- Genus
- Huayangosaurus
- Species
- H. taibaii
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
- ZDM T7001
- Type locality
- Dashanpu Formation, Sichuan, China

