Jurassic
Kaatedocus
Kaatedocus siberi
The catalogue presents Kaatedocus as a herbivore member of Diplodocidae that lived during the Jurassic, between 154.0–150.0 Ma. Its estimated range is 14.0 m in length and 7.0–8.0 t in mass, giving a practical sense of scale. Reference material comes from Morrison Formation, Wyoming, USA. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Kaatedocus, the PBDB records the taxonomic attribution as Tschopp and Mateus (2013).
The PBDB places it in Dicraeosauridae, and the catalogue record assigns it to the family Diplodocidae.
- PBDB · taxon.parent
- Diplodocidae
In the PBDB record, the reported stratigraphic range is the Kimmeridgian.
The PBDB catalogues 1 occurrence, with material from the Morrison Formation (1). Provenance: United States.
The catalogue records the holotype as SMA-0004 and the type locality as “Morrison Formation, Wyoming, USA”.
- SMA-0004
- Morrison Formation, Wyoming, USA
The catalogue's reference measurements are 14.0 m in length and 7.0–8.0 t in mass — estimates, which vary with specimen and method.
- 14.0 m
- 7.0-8.0 tons
The record gathers 5 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
- 14.0 m
- Weight
- 7.0–8.0 t
- Period
- Jurassic
- Time range
- 154.0–150.0 Ma
Discovery Information
- First Discovery
- 2012
- Described by
- Tschopp & Mateus
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Saurischia
- Family
- Diplodocidae
- Genus
- Kaatedocus
- Species
- K. siberi
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
- SMA-0004
- Type locality
- Morrison Formation, Wyoming, USA