Puertasaurus — artistic reconstruction

Cretaceous

Puertasaurus

Puertasaurus reuili

The catalogue presents Puertasaurus as a herbivore member of Titanosauridae that lived during the Cretaceous, between 83.6–66.0 Ma. Its estimated range is 28.0–40.0 m in length and 75.0–100.0 t in mass, giving a practical sense of scale. Reference material comes from Cerro Fortaleza Formation, Santa Cruz, Argentina. Size and mass are approximations and may change with new fossils or methods.

Herbivore83.6–66.0 MaTitanosauridae

Evidence-backed summary

For Puertasaurus, the PBDB records the taxonomic attribution as Novas et al. (2005).

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

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

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

The catalogue records the holotype as MPM 10002 and the type locality as “Cerro Fortaleza Formation, Santa Cruz, Argentina”.

  • MPM 10002
  • Cerro Fortaleza Formation, Santa Cruz, Argentina

The catalogue's reference measurements are 28.0–40.0 m in length and 75.0–100.0 t in mass — estimates, which vary with specimen and method.

  • 28.0-40.0 m
  • 75.0-100.0 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
Cerro Fortaleza
PBDB occurrences
Map at the time · ~80 Ma1 PBDB
Cerro Fortaleza
PBDB occurrences
Present mean latitude49.9° S
Reconstructed mean latitude49.8° 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
28.0–40.0 m
Weight
75.0–100.0 t
Period
Cretaceous
Time range
83.6–66.0 Ma

Discovery Information

First Discovery
2005
Described by
Novas et al.

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Titanosauridae
Genus
Puertasaurus
Species
P. reuili

Paleobiology Database · txn:83419

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
MPM 10002
Type locality
Cerro Fortaleza Formation, Santa Cruz, Argentina