Cretaceous
Eotyrannus
Eotyrannus lengi
The catalogue presents Eotyrannus as a carnivore member of Tyrannosauridae that lived during the Cretaceous, between 130 Ma. Its estimated range is 4.5 m in length and 130 kg in mass, giving a practical sense of scale. Reference material comes from Isle of Wight, England. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Eotyrannus, the PBDB records the taxonomic attribution as Hutt et al. (2001).
The PBDB places it in Tyrannosauroidea, and the catalogue record assigns it to the family Tyrannosauridae.
- PBDB · taxon.parent
- Tyrannosauridae
In the PBDB record, the reported stratigraphic range runs from the Hauterivian to the Barremian.
The PBDB catalogues 1 occurrence, with material from the Wessex Formation (1). Provenance: United Kingdom.
The catalogue records the holotype as MIWG.1997.550 and the type locality as “Isle of Wight, England”.
- MIWG.1997.550
- Isle of Wight, England
The catalogue's reference measurements are 4.5 m in length and 130 kg in mass — estimates, which vary with specimen and method.
- 4.5 m
- 130 kg
The record gathers 12 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
- 4.5 m
- Weight
- 130 kg
- Period
- Cretaceous
- Time range
- 130 Ma
Discovery Information
- First Discovery
- 2001
- Described by
- Hutt et al.
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Tyrannosauridae
- Genus
- Eotyrannus
- Species
- E. lengi
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
- MIWG.1997.550
- Type locality
- Isle of Wight, England