Dinosaurs · Large theropod

Yangchuanosaurus

Say it yang-choo-AHN-oh-SORE-us. The name means ‘Yangchuan lizard’.

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

Length: 10 m
Diet: Meat-eater
When: Late Jurassic160 to 144 million years ago
Fossils found in: China
Named by: Dong, Chang, Li and Zhou (1978)
Family tree: Dinosauria › Saurischia › Theropoda › Neotheropoda › Tetanurae › Avetheropoda › Carnosauria › Allosauroidea › Sinraptoridae

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

Large theropods. Big two-legged meat-eaters, such as Tyrannosaurus. See all 63

Lived at the same time

Sinraptor · same country
Chinshakiangosaurus · same country
Chungkingosaurus · same country
Yingshanosaurus · same country
Euhelopus · same country
Mamenchisaurus · same country
Anchiornis · same country
Chaoyangsaurus · same country

Other large theropods

Metriacanthosaurus Late Jurassic
Piatnitzkysaurus Late Jurassic
Eustreptospondylus Mid Jurassic
Torvosaurus Late Jurassic
Elaphrosaurus Late Jurassic
Marshosaurus Late Jurassic
Megalosaurus Mid Jurassic
Saurophaganax Late Jurassic

Source: Yangchuanosaurus 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.