Dinosaurs · Prosauropod

Aardonyx

Say it ar-don-ix. The name means ‘Earth claw’.

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

Length: 8 m
Weight: 1.5 tonnes
Diet: Plant-eaterLeaves and other foliage
Walked: Mostly on 2 legs
When: Early Jurassic200 to 190 million years ago
Fossils found in: South Africa
Named by: Yates, Bonnan, Neveling, Chinsamy and Blackbeard (2009)
Family tree: Dinosauria › Saurischia › Sauropodomorpha › Anchisauria

Where Aardonyx 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

Lufengosaurus Early Jurassic
Ammosaurus Early Jurassic
Jingshanosaurus Early Jurassic
Yimenosaurus Early Jurassic
Yunnanosaurus Early Jurassic
Massospondylus Early Jurassic
Anchisaurus Early Jurassic
Plateosaurus Late Triassic

Source: Aardonyx 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.