Jurassic
Saurophaganax
Saurophaganax maximus
The catalogue presents Saurophaganax as a carnivore member of Allosauridae that lived during the Jurassic, between 151 Ma. Its estimated range is 10.5 m in length and 3 t in mass, giving a practical sense of scale. Reference material comes from Oklahoma, USA. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Saurophaganax, the PBDB records the taxonomic attribution as Chure (1995).
The PBDB places it in Allosauridae, and the catalogue record assigns it to the family Allosauridae.
- PBDB · taxon.parent
- Allosauridae
In the PBDB record, the reported stratigraphic range runs from the Kimmeridgian to the Tithonian.
The PBDB catalogues 1 occurrence, with material from the Morrison Formation (1). Provenance: United States.
The catalogue records the holotype as OMNH 1708 and the type locality as “Oklahoma, USA”.
- OMNH 1708
- Oklahoma, USA
The catalogue's reference measurements are 10.5 m in length and 3 t in mass — estimates, which vary with specimen and method.
- 10.5 m
- 3 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
- 10.5 m
- Weight
- 3 t
- Period
- Jurassic
- Time range
- 151 Ma
Discovery Information
- First Discovery
- 1995
- Described by
- Daniel Chure
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Allosauridae
- Genus
- Saurophaganax
- Species
- S. maximus
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
- OMNH 1708
- Type locality
- Oklahoma, USA