Yunnanosaurus — artistic reconstruction

Jurassic

Yunnanosaurus

Yunnanosaurus huangi

The catalogue presents Yunnanosaurus as a herbivore member of Yunnanosauridae that lived during the Jurassic, between 196 Ma. Its estimated range is 7.0 m in length and 500 kg in mass, giving a practical sense of scale. Reference material comes from Yunnan, China. Size and mass are approximations and may change with new fossils or methods.

Herbivore196 MaYunnanosauridae

Evidence-backed summary

For Yunnanosaurus, the PBDB records the taxonomic attribution as Young (1940).

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

In the PBDB record, the reported stratigraphic range runs from the Hettangian to the Pliensbachian.

The PBDB catalogues 7 occurrences, with material from the Lufeng Formation (7). Provenance: China.

The catalogue records the holotype as IVPP V 20 and the type locality as “Yunnan, China”.

  • IVPP V 20
  • Yunnan, China

The catalogue's reference measurements are 7.0 m in length and 500 kg in mass — estimates, which vary with specimen and method.

  • 7.0 m
  • 500 kg

The record gathers 32 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 map7 PBDB
LufengLufengLufengLufengLufengLufengLufeng
PBDB occurrences
Map at the time · ~195 Ma7 PBDB
LufengLufengLufengLufengLufengLufengLufeng
PBDB occurrences
Present mean latitude25.3° N
Reconstructed mean latitude37.6° 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
7.0 m
Weight
500 kg
Period
Jurassic
Time range
196 Ma

Discovery Information

First Discovery
1942
Described by
C.C. Young

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Yunnanosauridae
Genus
Yunnanosaurus
Species
Y. huangi

Paleobiology Database · txn:56630

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
IVPP V 20
Type locality
Yunnan, China