Dinosaurs · Sauropod

Supersaurus

Say it sue-per-sore-us. The name means ‘super lizard’.

Supersaurus beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of sauropods
Length
35 m
Diet
Plant-eater
When
Early Cretaceous154 to 142 million years ago
Fossils found in
USA
Named by
Jansen (1985)
Family tree
Dinosauria › Saurischia › Sauropodomorpha › Sauropoda › Diplodocoidea › Diplodocidae
TriassicJurassicCretaceousSupersaurus252 Ma66 Ma
Where Supersaurus sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Sauropods. Long-necked, four-legged plant-eaters, the biggest animals ever to walk on land. See all 59

Lived at the same time

Other sauropods

Source: Supersaurus 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.