Acrotholus

AK-roh-THOH-lus /ˌækroʊˈθoʊləs/

Accepted genus

summit dome (high dome)

  • akros · Greek · highest, summit
  • tholos · Greek · dome

The name combines the Greek words for "summit" or "high" and "dome". It refers to the thick, tall, domed skull roof typical of this pachycephalosaur (the "thick-headed" dinosaurs). The only known species is Acrotholus audeti.

Named by
Evans et al.
Year named
2013
Period
Late Cretaceous
Stage
Santonian
Found in
Milk River Formation, Alberta, Canada

A pachycephalosaurid known from skull domes. When it was described, it was one of the oldest known pachycephalosaurs. The type species is Acrotholus audeti.