Zavacephale rinpoche

"origin head"

You 1.8 m (5.9 ft) tall
Zavacephale 1 m (3.3 ft) long
as long as 2 people standing fingertip to fingertip
Length
1 m (3.3 ft)
Period
Early Cretaceous (145–100 Mya)
Place
Mongolia
Food
Herbivore
Clade
Dinosauria The clade containing all dinosaurs, terrestrial archosaurs with upright limbs.
Zavacephale reconstruction by Connor Ashbridge
Reconstruction · Connor Ashbridge (CC-BY)

Zavacephale (meaning “origin head”) is an extinct genus of pachycephalosaurian dinosaurs known from the Early Cretaceous Khuren Dukh Formation of Mongolia. The genus contains a single species, Zavacephale rinpoche, known from a partial articulated skeleton including a nearly complete skull. It is both the oldest definitive pachycephalosaur known, as well as the most complete. Its skull bears a well-developed dome structure, as seen in most members of the clade.

What we know

  • Named by Chinzorig et al., 2025.
  • Body length estimated at about 1 m.
  • Fossils found in Mongolia.

What we guess

The reconstruction notes for Zavacephale — soft tissue, color, behavior — haven't been written up yet. Only the recorded basics above are filled in so far.