Outline: a typical pachycephalosaur
Tylocephale
TIE-loh-SEF-ah-lee
"swollen head"
- Lived
- 84 to 72 million years ago, Late Cretaceous
- Diet
- Herbivore
- Length
- about 1.4 m (5 ft)
- Group
- Pachycephalosaurs, Pachycephalosauridae
- Found in
- Mongolia
- Named by
- Maryańska and Osmólska 1974
Size comparison
To scale
Scale in metersOutline: typical pachycephalosaur shape
Where its fossils were found
The evidence
Today
80 million years ago
Field notes
About Tylocephale
What it was like
Tylocephale was a small dome-headed dinosaur, about 1.4 meters (5 feet) long. Its dome was tall and narrow, with the highest point toward the back of the head, and small bony knobs at the rear.
Its world
It lived in the Late Cretaceous in what is now Mongolia. Its skull comes from the Baruungoyot Formation, where it shared the land with the armored Saichania and Tarchia.
How it was found
Maryańska and Osmólska named Tylocephale in 1974, from a single partial skull and jaw.
Lived alongside
Found in the same rock formations
Close relatives
Other members of Pachycephalosauridae
Sources: WikidataNamed in: T. Maryańska and H. Osmólska. 1974. Pachycephalosauria, a new suborder of ornithischian dinosaurs. Palaeontologia Polonica 30:45-102




