Goyocephale — artistic reconstruction

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.

Herbivore80.0–75.0 MaHomalocephalidae

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.

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.

Records compiled on 2026-08-08

Where it lived

Fossil occurrences on today’s map and in the tectonic reconstruction.

Present-day map1 PBDB
PBDB occurrences 1
PBDB occurrences
Map at the time · ~75 Ma1 PBDB
PBDB occurrences 1
PBDB occurrences
Present mean latitude48.6° N
Reconstructed mean latitude42.9° N

Positions reconstructed by PBDB/GPlates, not observed; this is not an exact habitat map.

Paleobiology Database · GPlates · CC BY 4.0

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

Paleobiology Database · txn:38794

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