Dinosaurs · Large ornithopod

Fukuisaurus

Say it foo-koo-I-sore-us. The name means ‘Fukui lizard’.

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

Length: 4.7 m
Diet: Plant-eater
When: Early Cretaceous121 to 99 million years ago
Fossils found in: Japan
Named by: Kobayashi and Azuma (2003)
Family tree: Dinosauria › Ornithischia › Ornithopoda › Euornithopoda › Iguanadontia › Euiguanadontia › Dryomorpha › Ankylopollexia › Iguanodontoidea

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

Large ornithopods. Big plant-eaters that walked on two or four legs, including the duck-billed dinosaurs. See all 36

Lived at the same time

Other large ornithopods

Lurdusaurus Early Cretaceous
Probactrosaurus Early Cretaceous
Tenontosaurus Early Cretaceous
Equijubus Early Cretaceous
Jinzhousaurus Early Cretaceous
Ouranosaurus Early Cretaceous
Muttaburrasaurus Early Cretaceous
Iguanodon Early Cretaceous

Source: Fukuisaurus 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.