Struthiomimus — artistic reconstruction

Cretaceous

Struthiomimus

Struthiomimus altus

The catalogue presents Struthiomimus as a omnivore member of Ornithomimidae that lived during the Cretaceous, between 76.5–75.5 Ma. Its estimated range is 4.3 m in length and 150 kg in mass, giving a practical sense of scale. Reference material comes from Dinosaur Park Formation, Alberta, Canada. Size and mass are approximations and may change with new fossils or methods.

Omnivore76.5–75.5 MaOrnithomimidae

Evidence-backed summary

For Struthiomimus, the PBDB records the taxonomic attribution as Osborn (1916).

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

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

The PBDB catalogues 13 occurrences, with material from the Oldman Formation (6), from the Kirtland Formation (3) and from the Dinosaur Park Formation (3). Provenance: Canada and United States.

The catalogue records the holotype as NMC 917 and the type locality as “Dinosaur Park Formation, Alberta, Canada”.

  • NMC 917
  • Dinosaur Park Formation, Alberta, Canada

The catalogue's reference measurements are 4.3 m in length and 150 kg in mass — estimates, which vary with specimen and method.

  • 4.3 m
  • 150 kg

The record gathers 65 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 map13 PBDB
KirtlandKirtlandKirtlandOldmanOldmanDinosaur ParkOldmanOldmanOldmanOldmanDinosaur ParkPBDB occurrences 12Dinosaur Park
PBDB occurrences
Map at the time · ~80 Ma13 PBDB
KirtlandKirtlandKirtlandOldmanOldmanDinosaur ParkOldmanOldmanOldmanOldmanDinosaur ParkPBDB occurrences 12Dinosaur Park
PBDB occurrences
Present mean latitude47.3° N
Reconstructed mean latitude57.4° 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
4.3 m
Weight
150 kg
Period
Cretaceous
Time range
76.5–75.5 Ma

Discovery Information

First Discovery
1914
Described by
Lawrence Lambe

Taxonomic Classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Saurischia
Family
Ornithomimidae
Genus
Struthiomimus
Species
S. altus

Paleobiology Database · txn:38545

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
NMC 917
Type locality
Dinosaur Park Formation, Alberta, Canada