Dinosaurs · Large theropod

Eotyrannus

Say it ee-oh-ti-ran-us. The name means ‘dawn tyrant’.

Eotyrannus beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of large theropods
Length
5 m
Diet
Meat-eater
When
Early Cretaceous127 to 121 million years ago
Fossils found in
England
Named by
Hutt, Naish, Martill, Barker and Newberry (2001)
Family tree
Dinosauria › Saurischia › Theropoda › Tyrannosauroidea
TriassicJurassicCretaceousEotyrannus252 Ma66 Ma
Where Eotyrannus sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Large theropods. Big two-legged meat-eaters, such as Tyrannosaurus. See all 63

Found in Britain. Fossils of Eotyrannus have been found in the United Kingdom. Read about how Britain moved across the globe in Britain's journey.

Lived at the same time

Other large theropods

Source: Eotyrannus 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.