Cretaceous
Buitreraptor
Buitreraptor gonzalezorum
The catalogue presents Buitreraptor as a carnivore member of Unenlagiidae that lived during the Cretaceous, between 94.0–90.0 Ma. Its estimated range is 1.3–1.5 m in length and 3–5 kg in mass, giving a practical sense of scale. Reference material comes from Candeleros Formation, Neuquén, Argentina. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Buitreraptor, the PBDB records the taxonomic attribution as Makovicky et al. (2005).
The PBDB places it in Unenlagiinae, and the catalogue record assigns it to the family Unenlagiidae.
- PBDB · taxon.parent
- Unenlagiidae
In the PBDB record, the reported stratigraphic range is the Cenomanian.
The PBDB catalogues 3 occurrences, with material from the Candeleros Formation (3). Provenance: Argentina.
The catalogue records the holotype as MPCA 245 and the type locality as “Candeleros Formation, Neuquén, Argentina”.
- MPCA 245
- Candeleros Formation, Neuquén, Argentina
The catalogue's reference measurements are 1.3–1.5 m in length and 3–5 kg in mass — estimates, which vary with specimen and method.
- 1.3-1.5 m
- 3-5 kg
The record gathers 22 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
- 1.3–1.5 m
- Weight
- 3–5 kg
- Period
- Cretaceous
- Time range
- 94.0–90.0 Ma
Discovery Information
- First Discovery
- 2005
- Described by
- Makovicky et al.
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Unenlagiidae
- Genus
- Buitreraptor
- Species
- B. gonzalezorum
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
- MPCA 245
- Type locality
- Candeleros Formation, Neuquén, Argentina