Cretaceous
Dreadnoughtus
Dreadnoughtus schrani
The catalogue presents Dreadnoughtus as a herbivore member of Titanosauridae that lived during the Cretaceous, between 77 Ma. Its estimated range is 26.0 m in length and 65 t in mass, giving a practical sense of scale. Reference material comes from Patagonia, Argentina. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Dreadnoughtus, the PBDB records the taxonomic attribution as Lacovara et al. (2014).
The PBDB places it in Eutitanosauria, and the catalogue record assigns it to the family Titanosauridae.
- PBDB · taxon.parent
- Titanosauridae
In the PBDB record, the reported stratigraphic range is the Campanian.
The PBDB catalogues 2 occurrences, with material from the Cerro Fortaleza Formation (2). Provenance: Argentina.
The catalogue records the holotype as MPM-PV 1156 and the type locality as “Patagonia, Argentina”.
- MPM-PV 1156
- Patagonia, Argentina
The catalogue's reference measurements are 26.0 m in length and 65 t in mass — estimates, which vary with specimen and method.
- 26.0 m
- 65 tons
The record gathers 8 bibliographic references registered in the PBDB, listed below.
Where it lived
Fossil occurrences on today’s map and in the tectonic reconstruction.
Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.
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
- 26.0 m
- Weight
- 65 t
- Period
- Cretaceous
- Time range
- 77 Ma
Discovery Information
- First Discovery
- 2014
- Described by
- Kenneth Lacovara
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Titanosauridae
- Genus
- Dreadnoughtus
- Species
- D. schrani
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-PV 1156
- Type locality
- Patagonia, Argentina