Irritator challengeri Corythoraptor and a high crest on

and a high crest on top of its head

Length 215mm

Con una longitud estimada de unos 5 metros y un peso de alrededor de 300 kilogramos

giving them a "giant millipede" appearance

Irritator challengeri Corythoraptor and a high crest onIrritator 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