Austrosaurus

Say it aws-troh-sore-us. The name means ‘south lizard’.

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

Length: 15 m
Diet: Plant-eater
When: Early Cretaceous112 to 99 million years ago
Fossils found in: Australia
Named by: Longman (1933)
Family tree: Dinosauria › Saurischia › Sauropodomorpha › Sauropoda › Macronaria › Titanosauriformes › Titanosauria

Where Austrosaurus 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

Atlascopcosaurus · same country
Muttaburrasaurus · same country
Leaellynasaura · same country
Minmi · same country
Archaeoceratops
Chubutisaurus
Equijubus
Fukuiraptor

Other sauropods

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

Source: Austrosaurus 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.