durante el período Devónico Tardío

Compartía este ecosistema con otros grandes dinosaurios

adecuados para arrancar hojas y brotes

Su rasgo más llamativo era la forma de su cráneo: ancho y aplanado

Its legs were robust and relatively long

Irritator challengeri cretácico durante el período Devónico TardíoIrritator challengeri is a genus of spinosaurid theropod dinosaur that lived during the Early Cretaceous Period, approximately 110 million years ago, in what is now Brazil. Its name comes from the Latin "irritator", in reference to the frustration of paleontologists upon discovering that the original fossil had been altered with plaster by the collectors who found it, and "challengeri" in honor of Professor Challenger, a fictional character created by