Irritator was a carnivore. It lived in the Cretaceous period and inhabited South America. Its fossils have been found in places such as Ceará (Brazil).

Quick facts about Irritator:

  • Existed from 113 million years ago to 100.5 million years ago
  • Lived in a terrestrial habitat
  • Was a carnivore
  • Reproduced by laying eggs
  • Only one specimen has been found by paleontologists

All the Irritator illustrations below were collected from the internet. Enjoy and explore:

Irritator was described by the following scientific paper(s):
  • D. M. Martill and A. R. I. Cruickshank. 1996. A new crested maniraptoran dinosaur from the Santana Formation (Lower Cretaceous) of Brazil. Journal of the Geological Society, London 153:5-8