© Andrey Atuchin
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.
- Meaning of name
- When it lived
(112 - 99 million years ago)
- Found in
- Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Spinosauroidea, Spinosauridae, Spinosaurinae, Irritator
- Named by
- Martill, Cruickshank, Frey, Small and Clarke (1996)
- Type species