where its fossils have been found in the states of Montana

afilados y curvados

Its most striking feature was its extremely long

placing it among the giants of the animal kingdom

Irritator challengeri Variant:Unprimed where its fossils have beenIrritator 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