Cryolophosaurus — artistic reconstruction

Jurassic

Cryolophosaurus

Cryolophosaurus ellioti

The catalogue presents Cryolophosaurus as a carnivore member of Dilophosauridae that lived during the Jurassic, between 190.8–182.7 Ma. Its estimated range is 6.5–7.5 m in length and 465–780 kg in mass, giving a practical sense of scale. Reference material comes from Hanson Formation, Antarctica. Size and mass are approximations and may change with new fossils or methods.

Carnivore190.8–182.7 MaDilophosauridae

Evidence-backed summary

For Cryolophosaurus, the PBDB records the taxonomic attribution as Hammer and Hickerson (1994).

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

In the PBDB record, the reported stratigraphic range runs from the Sinemurian to the Pliensbachian.

The PBDB catalogues 1 occurrence, with material from the Hanson Formation (1). Provenance: Antarctica.

The catalogue records the holotype as FMNH PR1821 and the type locality as “Hanson Formation, Antarctica”.

  • FMNH PR1821
  • Hanson Formation, Antarctica

The catalogue's reference measurements are 6.5–7.5 m in length and 465–780 kg in mass — estimates, which vary with specimen and method.

  • 6.5-7.5 m
  • 465-780 kg

The record gathers 13 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
Hanson
PBDB occurrences
Map at the time · ~190 Ma1 PBDB
Hanson
PBDB occurrences
Present mean latitude84.3° S
Reconstructed mean latitude53.7° S

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
6.5–7.5 m
Weight
465–780 kg
Period
Jurassic
Time range
190.8–182.7 Ma

Discovery Information

First Discovery
1994
Described by
William Hammer

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Dilophosauridae
Genus
Cryolophosaurus
Species
C. ellioti

Paleobiology Database · txn:64371

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
FMNH PR1821
Type locality
Hanson Formation, Antarctica