Gastonia — artistic reconstruction

Cretaceous

Gastonia

Gastonia burgei

The catalogue presents Gastonia as a herbivore member of Polacanthidae that lived during the Cretaceous, between 124.0–115.0 Ma. Its estimated range is 4.0–7.0 m in length and 1.9 t in mass, giving a practical sense of scale. Reference material comes from Cedar Mountain Formation, Utah, USA. Size and mass are approximations and may change with new fossils or methods.

Herbivore124.0–115.0 MaPolacanthidae

Evidence-backed summary

For Gastonia, the PBDB records the taxonomic attribution as Kirkland (1998).

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

In the PBDB record, the reported stratigraphic range runs from the Valanginian to the Albian.

The PBDB catalogues 2 occurrences, with material from the Cedar Mountain Formation (2). Provenance: United States.

The catalogue records the holotype as CEUM 1307g and the type locality as “Cedar Mountain Formation, Utah, USA”.

  • CEUM 1307g
  • Cedar Mountain Formation, Utah, USA

The catalogue's reference measurements are 4.0–7.0 m in length and 1.9 t in mass — estimates, which vary with specimen and method.

  • 4.0-7.0 m
  • 1.9 tons

The record gathers 26 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 map2 PBDB
Cedar MountainCedar Mountain
PBDB occurrences
Map at the time · ~135 Ma2 PBDB
Cedar MountainCedar Mountain
PBDB occurrences
Present mean latitude38.8° N
Reconstructed mean latitude36.6° 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
4.0–7.0 m
Weight
1.9 t
Period
Cretaceous
Time range
124.0–115.0 Ma

Discovery Information

First Discovery
1998
Described by
James Kirkland

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Ornithischia
Family
Polacanthidae
Genus
Gastonia
Species
G. burgei

Paleobiology Database · txn:63700

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
CEUM 1307g
Type locality
Cedar Mountain Formation, Utah, USA