
Cretaceous
Goyocephale
Goyocephale lattimorei
The catalogue presents Goyocephale as a herbivore member of Homalocephalidae that lived during the Cretaceous, between 80.0–75.0 Ma. Its estimated range is 2.0 m in length and 30–50 kg in mass, giving a practical sense of scale. Reference material comes from Alagteeg Formation, Mongolia. Size and mass are approximations and may change with new fossils or methods.
Evidence-backed summary
For Goyocephale, the PBDB records the taxonomic attribution as Perle et al. (1982).
The PBDB places it in Pachycephalosauria, and the catalogue record assigns it to the family Homalocephalidae.
- PBDB · taxon.parent
- Homalocephalidae
In the PBDB record, the reported stratigraphic range runs from the Santonian to the Maastrichtian.
The PBDB catalogues 1 occurrence. Provenance: Mongolia.
The catalogue records the holotype as GIN 100/1501 and the type locality as “Alagteeg Formation, Mongolia”.
- GIN 100/1501
- Alagteeg Formation, Mongolia
The catalogue's reference measurements are 2.0 m in length and 30–50 kg in mass — estimates, which vary with specimen and method.
- 2.0 m
- 30-50 kg
The record gathers 24 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
- 2.0 m
- Weight
- 30–50 kg
- Period
- Cretaceous
- Time range
- 80.0–75.0 Ma
Discovery Information
- First Discovery
- 1982
- Described by
- Perle et al.
Taxonomic Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Ornithischia
- Family
- Homalocephalidae
- Genus
- Goyocephale
- Species
- G. lattimorei
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
- GIN 100/1501
- Type locality
- Alagteeg Formation, Mongolia

