Dinosaurs · Prosauropod

Coloradisaurus

Say it ko-lo-rahd-i-sore-us. The name means ‘[Los] Colorados lizard’.

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

Length: 4 m
Diet: Ate plants and animals
When: Late Triassic221 to 210 million years ago
Fossils found in: Argentina
Named by: Bonaparte (1978)
Family tree: Dinosauria › Saurischia › Sauropodomorpha › Prosauropoda › Plateosauria › Plateosauridae

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

Prosauropods. Early long-necked plant-eaters, relatives of the sauropods. See all 16

Lived at the same time

Other prosauropods

Guaibasaurus Late Triassic
Mussaurus Late Triassic
Riojasaurus Late Triassic
Melanorosaurus Late Triassic
Thecodontosaurus Late Triassic
Plateosaurus Late Triassic
Massospondylus Early Jurassic
Jingshanosaurus Early Jurassic

Source: Coloradisaurus 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.