Cretaceous
Unenlagia
Unenlagia comahuiensis
The catalogue presents Unenlagia as a carnivore member of Unenlagiidae that lived during the Cretaceous, between 90.0–85.0 Ma. Its estimated range is 2.0–2.5 m in length and 30–50 kg in mass, giving a practical sense of scale. Reference material comes from Portezuelo Formation, Neuquén, Argentina. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Unenlagia, the PBDB records the taxonomic attribution as Novas and Puerta (1997).
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 runs from the Turonian to the Coniacian.
The catalogue records the holotype as PVPH-76 and the type locality as “Portezuelo Formation, Neuquén, Argentina”.
- PVPH-76
- Portezuelo Formation, Neuquén, Argentina
The catalogue's reference measurements are 2.0–2.5 m in length and 30–50 kg in mass — estimates, which vary with specimen and method.
- 2.0-2.5 m
- 30-50 kg
The record gathers 27 bibliographic references registered in the PBDB, listed below.
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
- 2.0–2.5 m
- Weight
- 30–50 kg
- Period
- Cretaceous
- Time range
- 90.0–85.0 Ma
Discovery Information
- First Discovery
- 1997
- Described by
- Novas & Puerta
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Unenlagiidae
- Genus
- Unenlagia
- Species
- U. comahuiensis
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
- PVPH-76
- Type locality
- Portezuelo Formation, Neuquén, Argentina