Irritator challengeri Dagonodum dentición relativamente pequeña y brazos

dentición relativamente pequeña y brazos reducidos lo diferencian claramente de la imagen clásica de un raptor tipo Deinonychus o Velociraptor

more powerful

en lugar de embestir a herbívoros de gran tamaño

and fauna dominated by therapsids

Longitud hocico-base cola 105 mm

Irritator challengeri Dagonodum dentición relativamente pequeña y brazosIrritator challengeri is a species 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," referring 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