has been attributed to climate change

with an elongated body that could reach 4-5 meters in length

It is believed to have been an apex predator that hunted large sauropods and ornithopods in its ecosystem

Width 103 mm

Irritator challengeri Hexaprotodon has been attributed to climateIrritator 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