Cretaceous
Tianyuraptor
Tianyuraptor ostromi
The catalogue presents Tianyuraptor as a carnivore member of Dromaeosauridae that lived during the Cretaceous, between 125.0–120.0 Ma. Its estimated range is 1.6 m in length and 6–9 kg 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 Tianyuraptor, the PBDB records the taxonomic attribution as Zheng et al. (2009).
The PBDB places it in Dromaeosauridae, and the catalogue record assigns it to the family Dromaeosauridae.
- PBDB · taxon.parent
- Dromaeosauridae
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 STM 22-6 and the type locality as “Yixian Formation, Liaoning, China”.
- STM 22-6
- Yixian Formation, Liaoning, China
The catalogue's reference measurements are 1.6 m in length and 6–9 kg in mass — estimates, which vary with specimen and method.
- 1.6 m
- 6-9 kg
The record gathers 5 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
- 1.6 m
- Weight
- 6–9 kg
- Period
- Cretaceous
- Time range
- 125.0–120.0 Ma
Discovery Information
- First Discovery
- 2010
- Described by
- Zheng et al.
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Dromaeosauridae
- Genus
- Tianyuraptor
- Species
- T. ostromi
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
- STM 22-6
- Type locality
- Yixian Formation, Liaoning, China