Outline: a typical pachycephalosaur

Baruungoyot Fm., MongoliaNamed 1974

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

Where its fossils were found

The evidence

Today

1 find

80 million years ago

Map: C. R. Scotese, PALEOMAP

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