Irritator

Irritator

Pronunciation:
irr-it-ate-or
Name meaning:
'irritator'
Irritator
large theropod silhouette
Type of dinosaur:
large theropod
Length:
6.5m
Diet:
carnivorous carnivorous food icon
When it lived:
Early Cretaceous, 112-99 million years ago
Found in:
Brazil

Irritator was quite like Spinosaurus. It is known only from a skull, so the sail is a guess.

The type species, Irritator challengeri was named after Professor Challenger from Arthur Conan Doyle's novel 'The Lost World', published in 1912.

Taxonomic details

Taxonomy:
Dinosauria, Saurischia, Theropoda, Neotheropoda, Tetanurae, Spinosauroidea, Spinosauridae, Spinosaurinae
Named by:
Martill, Cruickshank, Frey, Small and Clarke (1996)
Type species:
challengeri

Step back in time

Find out more about dinosaurs' lives and the world they lived in.

Dippy Returns

The nation's favourite dinosaur is back for a short visit and sharing memories of nature from across the UK.

Free installation. Now open.

Dinosaurs gallery

Roarrr. Come face-to-face with some of the Museum's most famous dinosaurs.