FossilRange
Group

Horned dinosaurs

Horned dinosaurs are beaked plant-eaters with frills and, in many, horns. This site covers 11 genera with 441 fossil records; the oldest is Psittacosaurus and the youngest Pachyrhinosaurus.

Through time

PsittacosaurusPsittacosaurus: 125.77–100.5 MaAgujaceratopsAgujaceratops: 83.6–72.1 MaBagaceratopsBagaceratops: 83.6–72.1 MaCentrosaurusCentrosaurus: 83.6–72.1 MaChasmosaurusChasmosaurus: 83.6–72.1 MaMonocloniusMonoclonius: 83.6–72.1 MaPentaceratopsPentaceratops: 83.6–72.1 MaProtoceratopsProtoceratops: 83.6–72.1 MaPachyrhinosaurusPachyrhinosaurus: 83.6–66 MaTorosaurusTorosaurus: 72.1–66 MaTriceratopsTriceratops: 72.1–66 MaTriassicJurassicCretaceousMiddleLateEarlyMiddleLateEarlyLate251.9 Ma201.4 Ma145 Ma100.5 Ma66 Ma
PsittacosaurusPsittacosaurus: 125.77–100.5 MaAgujaceratopsAgujaceratops: 83.6–72.1 MaBagaceratopsBagaceratops: 83.6–72.1 MaCentrosaurusCentrosaurus: 83.6–72.1 MaChasmosaurusChasmosaurus: 83.6–72.1 MaMonocloniusMonoclonius: 83.6–72.1 MaPentaceratopsPentaceratops: 83.6–72.1 MaProtoceratopsProtoceratops: 83.6–72.1 MaPachyrhinosaurusPachyrhinosaurus: 83.6–66 MaTorosaurusTorosaurus: 72.1–66 MaTriceratopsTriceratops: 72.1–66 MaTriassicJurassicCretaceousLateEarlyLate251.9 Ma201.4 Ma145 Ma66 Ma

All horned dinosaurs on this site

GenusAgeStageRecords
Triceratops72.1–66 MaMaastrichtian166
Psittacosaurus125.77–100.5 MaBarremian–Albian70
Centrosaurus83.6–72.1 MaCampanian57
Protoceratops83.6–72.1 MaCampanian38
Chasmosaurus83.6–72.1 MaCampanian21
Bagaceratops83.6–72.1 MaCampanian18
Agujaceratops83.6–72.1 MaCampanian16
Pachyrhinosaurus83.6–66 MaCampanian–Maastrichtian16
Pentaceratops83.6–72.1 MaCampanian14
Monoclonius83.6–72.1 MaCampanian13
Torosaurus72.1–66 MaMaastrichtian12

Countries

Genera of this group recorded in each country.

Periods

Genera per period.

  • Cretaceous11