Compare dinosaurs
Pick two dinosaurs to see them side by side. Ranges are shown as published; missing values say Unknown.
- Period
- Cretaceous· Aptian
- Age
- 119.6–113.2 Ma
- Diet
- PiscivoreCarnivore
- Length
- 6–8 m
- Height
- 1.8–2.4 m
- Mass
- 1 t
- Found in
- Romualdo Formation, Ceará, Brazil, South America
- Classification
- Dinosauria › Saurischia › Theropoda › Tetanurae › Megalosauroidea › Spinosauridae › Spinosaurinae › Irritator › Irritator challengeri
- Year described
- 1996
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