Bonitasaura — artistic reconstruction

Cretaceous

Bonitasaura

Bonitasaura salgadoi

The catalogue presents Bonitasaura as a herbivore member of Titanosauridae that lived during the Cretaceous, between 85 Ma. Its estimated range is 10.0 m in length and 6 t in mass, giving a practical sense of scale. Reference material comes from Rio Negro, Argentina. Size and mass are approximations and may change with new fossils or methods.

Herbivore85 MaTitanosauridae

Evidence-backed summary

For Bonitasaura, the PBDB records the taxonomic attribution as Apesteguía (2004).

The PBDB places it in Eutitanosauria, 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 MPCA 460 and the type locality as “Rio Negro, Argentina”.

  • MPCA 460
  • Rio Negro, Argentina

The catalogue's reference measurements are 10.0 m in length and 6 t in mass — estimates, which vary with specimen and method.

  • 10.0 m
  • 6 tons

The record gathers 12 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 latitude39.6° S
Reconstructed mean latitude40.9° 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 m
Weight
6 t
Period
Cretaceous
Time range
85 Ma

Discovery Information

First Discovery
2004
Described by
Sebastian Apesteguia

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Titanosauridae
Genus
Bonitasaura
Species
B. salgadoi

Paleobiology Database · txn:58912

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 460
Type locality
Rio Negro, Argentina