Cretaceous
Dromiceiomimus
Dromiceiomimus brevitertius
The catalogue presents Dromiceiomimus as a omnivore member of Ornithomimidae that lived during the Cretaceous, between 76.5–66.0 Ma. Its estimated range is 3.5 m in length and 100 kg in mass, giving a practical sense of scale. Reference material comes from Horseshoe Canyon Formation, Alberta, Canada. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Dromiceiomimus, the PBDB records the taxonomic attribution as Russell (1972).
The PBDB places it in Ornithomimidae, and the catalogue record assigns it to the family Ornithomimidae.
- PBDB · taxon.parent
- Ornithomimidae
In the PBDB record, the reported stratigraphic range is the Maastrichtian.
The PBDB catalogues 5 occurrences, with material from the Horseshoe Canyon Formation (5). Provenance: Canada.
The catalogue records the holotype as NMC 12228 and the type locality as “Horseshoe Canyon Formation, Alberta, Canada”.
- NMC 12228
- Horseshoe Canyon Formation, Alberta, Canada
The catalogue's reference measurements are 3.5 m in length and 100 kg in mass — estimates, which vary with specimen and method.
- 3.5 m
- 100 kg
The record gathers 26 bibliographic references registered in the PBDB, listed below.
Where it lived
Fossil occurrences on today’s map and in the tectonic reconstruction.
Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.
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
- 3.5 m
- Weight
- 100 kg
- Period
- Cretaceous
- Time range
- 76.5–66.0 Ma
Discovery Information
- First Discovery
- 1926
- Described by
- William Parks
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Ornithomimidae
- Genus
- Dromiceiomimus
- Species
- D. brevitertius
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 12228
- Type locality
- Horseshoe Canyon Formation, Alberta, Canada