Cretaceous
Yutyrannus
Yutyrannus huali
The catalogue presents Yutyrannus as a carnivore member of Proceratosauridae that lived during the Cretaceous, between 125.0–120.0 Ma. Its estimated range is 9.0 m in length and 1.4 t in mass, giving a practical sense of scale. Reference material comes from Yixian Formation, Liaoning, China. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Yutyrannus, the PBDB records the taxonomic attribution as Xu et al. (2012).
The PBDB places it in Proceratosauridae, and the catalogue record assigns it to the family Proceratosauridae.
- PBDB · taxon.parent
- Proceratosauridae
In the PBDB record, the reported stratigraphic range runs from the Barremian to the Aptian.
The PBDB catalogues 1 occurrence, with material from the Yixian Formation (1). Provenance: China.
The catalogue records the holotype as ZCDM V5000 and the type locality as “Yixian Formation, Liaoning, China”.
- ZCDM V5000
- Yixian Formation, Liaoning, China
The catalogue's reference measurements are 9.0 m in length and 1.4 t in mass — estimates, which vary with specimen and method.
- 9.0 m
- 1.4 tons
The record gathers 3 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
- 9.0 m
- Weight
- 1.4 t
- Period
- Cretaceous
- Time range
- 125.0–120.0 Ma
Discovery Information
- First Discovery
- 2012
- Described by
- Xu Xing
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Proceratosauridae
- Genus
- Yutyrannus
- Species
- Y. huali
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
- ZCDM V5000
- Type locality
- Yixian Formation, Liaoning, China