Nodosaurus — artistic reconstruction

Cretaceous

Nodosaurus

Nodosaurus textilis

The catalogue presents Nodosaurus as a herbivore member of Nodosauridae that lived during the Cretaceous, between 100.5–94.0 Ma. Its estimated range is 4.0–6.0 m in length and 1.8–3.5 t in mass, giving a practical sense of scale. Reference material comes from Frontier Formation, Wyoming, USA. Size and mass are approximations and may change with new fossils or methods.

Herbivore100.5–94.0 MaNodosauridae

Evidence-backed summary

For Nodosaurus, the PBDB records the taxonomic attribution as Marsh (1889).

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

In the PBDB record, the reported stratigraphic range runs from the Cenomanian to the Maastrichtian.

The PBDB catalogues 1 occurrence, with material from the Frontier Formation (1). Provenance: United States.

The catalogue records the holotype as YPM 1815 and the type locality as “Frontier Formation, Wyoming, USA”.

  • YPM 1815
  • Frontier Formation, Wyoming, USA

The catalogue's reference measurements are 4.0–6.0 m in length and 1.8–3.5 t in mass — estimates, which vary with specimen and method.

  • 4.0-6.0 m
  • 1.8-3.5 tons

The record gathers 49 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
Frontier
PBDB occurrences
Map at the time · ~95 Ma1 PBDB
Frontier
PBDB occurrences
Present mean latitude42.9° N
Reconstructed mean latitude49.4° 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
4.0–6.0 m
Weight
1.8–3.5 t
Period
Cretaceous
Time range
100.5–94.0 Ma

Discovery Information

First Discovery
1889
Described by
Othniel Charles Marsh

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Ornithischia
Family
Nodosauridae
Genus
Nodosaurus
Species
N. textilis

Paleobiology Database · txn:38823

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
YPM 1815
Type locality
Frontier Formation, Wyoming, USA