Jurassic
Yinlong
Yinlong downsi
The catalogue presents Yinlong as a herbivore member of Chaoyangsauridae that lived during the Jurassic, between 161.0–155.0 Ma. Its estimated range is 1.2 m in length and 15 kg in mass, giving a practical sense of scale. Reference material comes from Shishugou Formation, Xinjiang, China. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Yinlong, the PBDB records the taxonomic attribution as Xu et al. (2006).
The PBDB places it in Chaoyangsauridae, and the catalogue record assigns it to the family Chaoyangsauridae.
- PBDB · taxon.parent
- Chaoyangsauridae
In the PBDB record, the reported stratigraphic range is the Oxfordian.
The PBDB catalogues 1 occurrence, with material from the Shishugou Formation (1). Provenance: China.
The catalogue records the holotype as IVPP V14530 and the type locality as “Shishugou Formation, Xinjiang, China”.
- IVPP V14530
- Shishugou Formation, Xinjiang, China
The catalogue's reference measurements are 1.2 m in length and 15 kg in mass — estimates, which vary with specimen and method.
- 1.2 m
- 15 kg
The record gathers 8 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
- 1.2 m
- Weight
- 15 kg
- Period
- Jurassic
- Time range
- 161.0–155.0 Ma
Discovery Information
- First Discovery
- 2006
- Described by
- Xu Xing et al.
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Chaoyangsauridae
- Genus
- Yinlong
- Species
- Y. downsi
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 V14530
- Type locality
- Shishugou Formation, Xinjiang, China