Jurassic
Camptosaurus
Camptosaurus dispar
The catalogue presents Camptosaurus as a herbivore member of Camptosauridae that lived during the Jurassic, between 155 Ma. Its estimated range is 7.9 m in length and 0.875 t in mass, giving a practical sense of scale. Reference material comes from Wyoming, USA. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Camptosaurus, the PBDB records the taxonomic attribution as Marsh (1885).
The PBDB places it in Ankylopollexia, and the catalogue record assigns it to the family Camptosauridae.
- PBDB · taxon.parent
- Camptosauridae
The PBDB catalogues 9 occurrences, with material from the Morrison Formation (9). Provenance: United States.
The catalogue records the holotype as YPM 1877 and the type locality as “Wyoming, USA”.
- YPM 1877
- Wyoming, USA
The catalogue's reference measurements are 7.9 m in length and 0.875 t in mass — estimates, which vary with specimen and method.
- 7.9 m
- 0.875 tons
The record gathers 120 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
- 7.9 m
- Weight
- 0.875 t
- Period
- Jurassic
- Time range
- 155 Ma
Discovery Information
- First Discovery
- 1885
- Described by
- Othniel Charles Marsh
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Camptosauridae
- Genus
- Camptosaurus
- Species
- C. dispar
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 1877
- Type locality
- Wyoming, USA