Tanycolagreus — artistic reconstruction

Jurassic

Tanycolagreus

Tanycolagreus topwilsoni

The catalogue presents Tanycolagreus as a carnivore member of Coelurosauria that lived during the Jurassic, between 148 Ma. Its estimated range is 4.0 m in length and 60 kg in mass, giving a practical sense of scale. Reference material comes from Wyoming, USA. Size and mass are approximations and may change with new fossils or methods.

Carnivore148 MaCoelurosauria

Evidence-backed summary

For Tanycolagreus, the PBDB records the taxonomic attribution as Carpenter et al. (2005).

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

In the PBDB record, the reported stratigraphic range runs from the Kimmeridgian to the Tithonian.

The PBDB catalogues 3 occurrences, with material from the Morrison Formation (3). Provenance: United States.

The catalogue records the holotype as TPII 2000-09-29-01 and the type locality as “Wyoming, USA”.

  • TPII 2000-09-29-01
  • Wyoming, USA

The catalogue's reference measurements are 4.0 m in length and 60 kg in mass — estimates, which vary with specimen and method.

  • 4.0 m
  • 60 kg

The record gathers 7 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 map3 PBDB
MorrisonMorrisonMorrison
PBDB occurrences
Map at the time · ~150 Ma3 PBDB
MorrisonMorrisonMorrison
PBDB occurrences
Present mean latitude41.1° N
Reconstructed mean latitude28.4° 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
4.0 m
Weight
60 kg
Period
Jurassic
Time range
148 Ma

Discovery Information

First Discovery
2005
Described by
Carpenter et al.

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Coelurosauria
Genus
Tanycolagreus
Species
T. topwilsoni

Paleobiology Database · txn:68259

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
TPII 2000-09-29-01
Type locality
Wyoming, USA