Jurassic
Gigantspinosaurus
Gigantspinosaurus sichuanensis
The catalogue presents Gigantspinosaurus as a herbivore member of Stegosauridae that lived during the Jurassic, between 160.0–155.0 Ma. Its estimated range is 4.2–5.0 m in length and 0.7–1.2 t in mass, giving a practical sense of scale. Reference material comes from Shaximiao Formation, Sichuan, China. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Gigantspinosaurus, the PBDB records the taxonomic attribution as Ouyang (1992).
The PBDB places it in Huayangosauridae, 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 type locality as “Shaximiao Formation, Sichuan, China”.
- Shaximiao Formation, Sichuan, China
The catalogue's reference measurements are 4.2–5.0 m in length and 0.7–1.2 t in mass — estimates, which vary with specimen and method.
- 4.2-5.0 m
- 0.7-1.2 tons
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
- 4.2–5.0 m
- Weight
- 0.7–1.2 t
- Period
- Jurassic
- Time range
- 160.0–155.0 Ma
Discovery Information
- First Discovery
- 1992
- Described by
- Ouyang
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Stegosauridae
- Genus
- Gigantspinosaurus
- Species
- G. sichuanensis
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
- not documented in this catalogue
- Type locality
- Shaximiao Formation, Sichuan, China