Jurassic
Tuojiangosaurus
Tuojiangosaurus multispinus
The catalogue presents Tuojiangosaurus as a herbivore member of Stegosauridae that lived during the Jurassic, between 160 Ma. Its estimated range is 7.0 m in length and 2.8 t in mass, giving a practical sense of scale. Reference material comes from Sichuan, China. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Tuojiangosaurus, the PBDB records the taxonomic attribution as Dong et al. (1977).
The PBDB places it in Stegosauridae, and the catalogue record assigns it to the family Stegosauridae.
- PBDB · taxon.parent
- Stegosauridae
In the PBDB record, the reported stratigraphic range runs from the Bathonian to the Callovian.
The PBDB catalogues 1 occurrence, with material from the Shaximiao Formation (1). Provenance: China.
The catalogue records the holotype as CV 209 and the type locality as “Sichuan, China”.
- CV 209
- Sichuan, China
The catalogue's reference measurements are 7.0 m in length and 2.8 t in mass — estimates, which vary with specimen and method.
- 7.0 m
- 2.8 tons
The record gathers 24 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
- 7.0 m
- Weight
- 2.8 t
- Period
- Jurassic
- Time range
- 160 Ma
Discovery Information
- First Discovery
- 1977
- Described by
- Dong Zhiming
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Stegosauridae
- Genus
- Tuojiangosaurus
- Species
- T. multispinus
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
- CV 209
- Type locality
- Sichuan, China