Dinosaurs · Small theropod

Eoraptor

Say it EE-oh-RAP-tor. The name means ‘early plunderer’.

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

Length: 1.7 m
Weight: 10 kg
Diet: Meat-eatervertebrates
Walked: On 2 legs
When: Late Triassicabout 228 million years ago
Fossils found in: Argentina
Named by: Sereno, Forster, Rogers and Monetta (1993)
Family tree: Dinosauria › Saurischia › Theropoda

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

Small theropods. Small two-legged dinosaurs, many feathered, the group that includes birds. See all 60

Lived at the same time

Herrerasaurus · same country

Other small theropods

Coelophysis Late Triassic
Procompsognathus Late Triassic
Liliensternus Late Triassic
Sarcosaurus Early Jurassic
Podokesaurus Mid Jurassic
Segisaurus Mid Jurassic
Gasosaurus Mid Jurassic
Proceratosaurus Mid Jurassic

Source: Eoraptor 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.