Cretaceous
Olorotitan
Olorotitan arharensis
The catalogue presents Olorotitan as a herbivore member of Hadrosauridae that lived during the Cretaceous, between 68 Ma. Its estimated range is 12.0 m in length and 3 t in mass, giving a practical sense of scale. Reference material comes from Amur region, Russia. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Olorotitan, the PBDB records the taxonomic attribution as Godefroit et al. (2003).
The PBDB places it in Lambeosaurinae, and the catalogue record assigns it to the family Hadrosauridae.
- PBDB · taxon.parent
- Hadrosauridae
In the PBDB record, the reported stratigraphic range is the Maastrichtian.
The PBDB catalogues 1 occurrence, with material from the Udurchukan Formation (1). Provenance: Russia.
The catalogue records the holotype as AEHM 2/845 and the type locality as “Amur region, Russia”.
- AEHM 2/845
- Amur region, Russia
The catalogue's reference measurements are 12.0 m in length and 3 t in mass — estimates, which vary with specimen and method.
- 12.0 m
- 3 tons
The record gathers 26 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
- 12.0 m
- Weight
- 3 t
- Period
- Cretaceous
- Time range
- 68 Ma
Discovery Information
- First Discovery
- 2003
- Described by
- Pascal Godefroit
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Hadrosauridae
- Genus
- Olorotitan
- Species
- O. arharensis
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
- AEHM 2/845
- Type locality
- Amur region, Russia