Ekrixinatosaurus — artistic reconstruction

Cretaceous

Ekrixinatosaurus

Ekrixinatosaurus novasi

The catalogue presents Ekrixinatosaurus as a carnivore member of Abelisauridae that lived during the Cretaceous, between 99.6–97.0 Ma. Its estimated range is 10.0–11.0 m in length and 3.0–4.0 t 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.

Carnivore99.6–97.0 MaAbelisauridae

Evidence-backed summary

For Ekrixinatosaurus, the PBDB records the taxonomic attribution as Calvo et al. (2004).

The PBDB places it in Brachyrostra, and the catalogue record assigns it to the family Abelisauridae.

In the PBDB record, the reported stratigraphic range runs from the Albian to the Cenomanian.

The PBDB catalogues 1 occurrence, with material from the Candeleros Formation (1). Provenance: Argentina.

The catalogue records the holotype as MUCPv-294 and the type locality as “Candeleros Formation, Neuquén, Argentina”.

  • MUCPv-294
  • Candeleros Formation, Neuquén, Argentina

The catalogue's reference measurements are 10.0–11.0 m in length and 3.0–4.0 t in mass — estimates, which vary with specimen and method.

  • 10.0-11.0 m
  • 3.0-4.0 tons

The record gathers 17 bibliographic references registered in the PBDB, listed below.

Records compiled on 2026-08-08

Where it lived

Fossil occurrences on today’s map and in the tectonic reconstruction.

Present-day map1 PBDB
Candeleros
PBDB occurrences
Map at the time · ~105 Ma1 PBDB
Candeleros
PBDB occurrences
Present mean latitude39.4° S
Reconstructed mean latitude38.2° S

Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.

Paleobiology Database · GPlates · CC BY 4.0

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
10.0–11.0 m
Weight
3.0–4.0 t
Period
Cretaceous
Time range
99.6–97.0 Ma

Discovery Information

First Discovery
2004
Described by
Calvo et al.

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Abelisauridae
Genus
Ekrixinatosaurus
Species
E. novasi

Paleobiology Database · txn:65415

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
MUCPv-294
Type locality
Candeleros Formation, Neuquén, Argentina