Yangchuanosaurus — artistic reconstruction

Jurassic

Yangchuanosaurus

Yangchuanosaurus shangyouensis

The catalogue presents Yangchuanosaurus as a carnivore member of Metriacanthosauridae that lived during the Jurassic, between 163.5–157.3 Ma. Its estimated range is 8.0–10.5 m in length and 2.0–3.0 t in mass, giving a practical sense of scale. Reference material comes from Shangshaximiao Formation, Sichuan, China. Size and mass are approximations and may change with new fossils or methods.

Carnivore163.5–157.3 MaMetriacanthosauridae

Evidence-backed summary

For Yangchuanosaurus, the PBDB records the taxonomic attribution as Dong et al. (1978).

The PBDB places it in Metriacanthosauridae, and the catalogue record assigns it to the family Metriacanthosauridae.

In the PBDB record, the reported stratigraphic range runs from the Bajocian to the Aptian.

The PBDB catalogues 2 occurrences, with material from the Shaximiao Formation (2). Provenance: China.

The catalogue records the holotype as CV 00215 and the type locality as “Shangshaximiao Formation, Sichuan, China”.

  • CV 00215
  • Shangshaximiao Formation, Sichuan, China

The catalogue's reference measurements are 8.0–10.5 m in length and 2.0–3.0 t in mass — estimates, which vary with specimen and method.

  • 8.0-10.5 m
  • 2.0-3.0 tons

The record gathers 26 bibliographic references registered in the PBDB, listed below.

Records compiled on 2026-08-08

Where it lived

Fossil occurrences on today’s map and in the tectonic reconstruction.

Present-day map2 PBDB
ShaximiaoShaximiao
PBDB occurrences
Map at the time · ~165 Ma2 PBDB
ShaximiaoShaximiao
PBDB occurrences
Present mean latitude29.3° N
Reconstructed mean latitude31.8° N

Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.

Paleobiology Database · GPlates · CC BY 4.0

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
8.0–10.5 m
Weight
2.0–3.0 t
Period
Jurassic
Time range
163.5–157.3 Ma

Discovery Information

First Discovery
1978
Described by
Dong Zhiming

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Metriacanthosauridae
Genus
Yangchuanosaurus
Species
Y. shangyouensis

Paleobiology Database · txn:38594

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 00215
Type locality
Shangshaximiao Formation, Sichuan, China