Chubutisaurus

Say it choo-boot-i-sore-us. The name means ‘Chubut [Province] lizard’.

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

Length: 23 m
Diet: Plant-eater
When: Early Cretaceous112 to 99 million years ago
Fossils found in: Argentina
Named by: Corro (1974)
Family tree: Dinosauria › Saurischia › Sauropodomorpha › Sauropoda › Macronaria › Titanosauriformes › Titanosauria

Where Chubutisaurus 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

Ligabuesaurus · same country
Giganotosaurus · same country
Buitreraptor · same country
Mapusaurus · same country
Patagotitan · same country
Tyrannotitan · same country
Archaeoceratops
Atlascopcosaurus

Other sauropods

Austrosaurus Early Cretaceous
Rebbachisaurus Early Cretaceous
Ligabuesaurus Early Cretaceous
Malawisaurus Early Cretaceous
Nigersaurus Early Cretaceous
Patagotitan Early Cretaceous
Paralititan Late Cretaceous
Pelorosaurus Early Cretaceous

Source: Chubutisaurus 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.