FossilRange
Group

Dome-headed dinosaurs

Dome-headed dinosaurs are plant-eaters with thickened, domed skulls. This site covers 2 genera with 80 fossil records; the oldest is Stegoceras and the youngest Pachycephalosaurus.

Through time

StegocerasStegoceras: 83.6–72.1 MaPachycephalosaurusPachycephalosaurus: 72.1–66 MaTriassicJurassicCretaceousMiddleLateEarlyMiddleLateEarlyLate251.9 Ma201.4 Ma145 Ma100.5 Ma66 Ma
StegocerasStegoceras: 83.6–72.1 MaPachycephalosaurusPachycephalosaurus: 72.1–66 MaTriassicJurassicCretaceousLateEarlyLate251.9 Ma201.4 Ma145 Ma66 Ma

All dome-headed dinosaurs on this site

GenusAgeStageRecords
Stegoceras83.6–72.1 MaCampanian46
Pachycephalosaurus72.1–66 MaMaastrichtian34

Countries

Genera of this group recorded in each country.

Periods

Genera per period.

  • Cretaceous2