Cretaceous
Leptoceratops
Leptoceratops gracilis
The catalogue presents Leptoceratops as a herbivore member of Leptoceratopsidae that lived during the Cretaceous, between 68–66 Ma. Its estimated range is 1.8 m in length and 68 kg in mass, giving a practical sense of scale. Reference material comes from Alberta, Canada. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Leptoceratops, the PBDB records the taxonomic attribution as Brown (1914).
The PBDB places it in Leptoceratopsidae, and the catalogue record assigns it to the family Leptoceratopsidae.
- PBDB · taxon.parent
- Leptoceratopsidae
In the PBDB record, the reported stratigraphic range is the Maastrichtian.
The PBDB catalogues 5 occurrences, with material from the Scollard Formation (2), from the Hell Creek Formation (2) and from the "Lance" Formation (1). Provenance: United States and Canada.
The catalogue records the holotype as AMNH 5205 and the type locality as “Alberta, Canada”.
- AMNH 5205
- Alberta, Canada
The catalogue's reference measurements are 1.8 m in length and 68 kg in mass — estimates, which vary with specimen and method.
- 1.8 m
- 68 kg
The record gathers 68 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
- 1.8 m
- Weight
- 68 kg
- Period
- Cretaceous
- Time range
- 68–66 Ma
Discovery Information
- First Discovery
- 1914
- Described by
- Barnum Brown
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Leptoceratopsidae
- Genus
- Leptoceratops
- Species
- L. gracilis
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
- AMNH 5205
- Type locality
- Alberta, Canada