Overosaurus — artistic reconstruction

Cretaceous

Overosaurus

Overosaurus paradasorum

The catalogue presents Overosaurus as a herbivore member of Titanosauridae that lived during the Cretaceous, between 83.6–72.2 Ma. Its estimated range is 7.0 m in length and 2 t in mass, giving a practical sense of scale. Reference material comes from Anacleto Formation, Neuquén, Argentina. Size and mass are approximations and may change with new fossils or methods.

Herbivore83.6–72.2 MaTitanosauridae

Evidence-backed summary

For Overosaurus, the PBDB records the taxonomic attribution as Coria et al. (2013).

The PBDB places it in Rinconsauria, and the catalogue record assigns it to the family Titanosauridae.

In the PBDB record, the reported stratigraphic range is the Santonian.

The PBDB catalogues 1 occurrence, with material from the Bajo de la Carpa Formation (1). Provenance: Argentina.

The catalogue records the holotype as MAU-Pv-CO-439 and the type locality as “Anacleto Formation, Neuquén, Argentina”.

  • MAU-Pv-CO-439
  • Anacleto Formation, Neuquén, Argentina

The catalogue's reference measurements are 7.0 m in length and 2 t in mass — estimates, which vary with specimen and method.

  • 7.0 m
  • 2 tons

The record gathers 5 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
Bajo de la Carpa
PBDB occurrences
Map at the time · ~85 Ma1 PBDB
Bajo de la Carpa
PBDB occurrences
Present mean latitude37.6° S
Reconstructed mean latitude38.8° 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
7.0 m
Weight
2 t
Period
Cretaceous
Time range
83.6–72.2 Ma

Discovery Information

First Discovery
2013
Described by
Coria et al.

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Titanosauridae
Genus
Overosaurus
Species
O. paradasorum

Paleobiology Database · txn:273091

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
MAU-Pv-CO-439
Type locality
Anacleto Formation, Neuquén, Argentina