A reconstruction of Irritator Photo by Kabacchi, image from Wikipedia Spinosaurs are often called “fish-eating dinosaurs.” Their long, shallow snouts recall the jaws of crocodiles, and, based on gut ...

Irritator challengeri was a two-legged, meat-eating dinosaur, more precisely: a spinosaurid. The knowledge of the species is based on the most complete fossil skull known from this group. With the aid ...

Brazil in the Early Cretaceous, 115 Ma ago: the predatory dinosaur Irritator challengeri forages with spreading lower jaws in shallow water for small prey, including fish. Credit: Olof Moleman Brazil ...

The study reveals new information about the carnivorous dinosaur Irritator challengeri, but the research has been criticized because the fossils may have been illegally removed from Brazil. When you ...