Dinosaurs · Ceratopsian

Archaeoceratops

Say it ahr-kee-oh-serra-tops. The name means ‘ancient horned face’.

Archaeoceratops beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of ceratopsians

Length: 1.3 m
Diet: Plant-eater
When: Early Cretaceous121 to 99 million years ago
Fossils found in: China
Named by: Dong and Azuma (1987)
Family tree: Dinosauria › Ornithischia › Ceratopsia › Neoceratopsia

Where Archaeoceratops sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Ceratopsians. Horned and frilled plant-eaters, such as Triceratops. See all 29

Lived at the same time

Equijubus · same country
Gobisaurus · same country
Probactrosaurus · same country
Psittacosaurus · same country
Protarchaeopteryx · same country
Sinornithosaurus · same country
Beipiaosaurus · same country
Confuciusornis · same country

Other ceratopsians

Psittacosaurus Early Cretaceous
Liaoceratops Early Cretaceous
Stenopelix Early Cretaceous
Aquilops Early Cretaceous
Graciliceratops Late Cretaceous
Zuniceratops Late Cretaceous
Chaoyangsaurus Late Jurassic
Microceratus Late Cretaceous

Source: Archaeoceratops in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.