Irritator is a genus of spinosaurid dinosaur that lived in the early Cretaceous Period (Albian stage), around 110 million years ago. Current estimations indicate a length of 8 meters (26 feet) and a weight of 2-3 tons.{verify credibility|date=September 2012} It was found in Brazil. Irritator was a theropod with an unusually shaped crest at the rea...
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http://en.wikipedia.org/wiki/Irritator
(pronounced IRR-eh-tay-ter) Irritator was a theropod dinosaur, a spinosaurid from the early Cretaceous period . It is known from a nearly complete skull (about 80 cm long) found in Brazil. Irritator challengeri was named by paleontologists Martill, Cruikshank, Frey, Small & Clarke in 1996. The people who found the snout-less skull added plaster to ...
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