Irritator

Irritator challengeri

Large theropod

Theropoda

irritator

6.5m

Dinosauria, Saurischia, Theropoda, Neotherapoda, Tetanurae, Spinosauroidea, Spinosauridae, Spinosaurinae, Irritator

Brazil

121-99 mya

Carnivorous

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