- Length
- 2 m
- Diet
- Plant-eater
- When
- Late Cretaceous81 to 75 million years ago
- Fossils found in
- Mongolia
- Named by
- Perle, Maryańska and Osmólska (1982)
- Family tree
- Dinosauria › Ornithischia › Neornithischia › Cerapoda › Marginocephalia › Pachycephalosauria › Goyocephala
Pachycephalosaurs. Two-legged plant-eaters with thick, domed skulls. See all 8
Lived at the same time
- Alectrosaurus · same country
- Anserimimus · same country
- Borogovia · same country
- Citipati · same country
- Khaan · same country
- Microceratus · same country
- Mononykus · same country
- Oviraptor · same country
Other pachycephalosaurs
- Prenocephale Late Cretaceous
- Stegoceras Late Cretaceous
- Tylocephale Late Cretaceous
- Homalocephale Late Cretaceous
- Pachycephalosaurus Late Cretaceous
- Stygimoloch Late Cretaceous
- Dracorex Late Cretaceous
Source: Goyocephale in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.