Longitud hocico-cola 75 mm

This flexibility was crucial for a predator that needed to pursue prey in a three-dimensional environment like the ocean

where its fossils have been found in the states of Montana

from humid forests to semi-arid plains

This feature

Irritator challengeri Variant:Unprimed Longitud hocico-cola 75 mmIrritator 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