Metriacanthosaurus — artistic reconstruction

Jurassic

Metriacanthosaurus

Metriacanthosaurus parkeri

The catalogue presents Metriacanthosaurus as a carnivore member of Metriacanthosauridae that lived during the Jurassic, between 161.5–157.3 Ma. Its estimated range is 8.0–9.0 m in length and 1.0–1.5 t in mass, giving a practical sense of scale. Reference material comes from Oxford Clay Formation, England. Size and mass are approximations and may change with new fossils or methods.

Carnivore161.5–157.3 MaMetriacanthosauridae

Evidence-backed summary

For Metriacanthosaurus, the PBDB records the taxonomic attribution as Walker (1964).

The PBDB places it in Metriacanthosaurinae, and the catalogue record assigns it to the family Metriacanthosauridae.

In the PBDB record, the reported stratigraphic range is the Oxfordian.

The PBDB catalogues 1 occurrence, with material from the Oxford Clay Formation (1). Provenance: United Kingdom.

The catalogue records the holotype as OUM J12144 and the type locality as “Oxford Clay Formation, England”.

  • OUM J12144
  • Oxford Clay Formation, England

The catalogue's reference measurements are 8.0–9.0 m in length and 1.0–1.5 t in mass — estimates, which vary with specimen and method.

  • 8.0-9.0 m
  • 1.0-1.5 tons

The record gathers 15 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
Oxford Clay
PBDB occurrences
Map at the time · ~160 Ma1 PBDB
Oxford Clay
PBDB occurrences
Present mean latitude50.6° N
Reconstructed mean latitude33.0° N

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
8.0–9.0 m
Weight
1.0–1.5 t
Period
Jurassic
Time range
161.5–157.3 Ma

Discovery Information

First Discovery
1923
Described by
Friedrich von Huene

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Metriacanthosauridae
Genus
Metriacanthosaurus
Species
p. parkeri

Paleobiology Database · txn:38584

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
OUM J12144
Type locality
Oxford Clay Formation, England