Irritator challengeri Swimming

Irritator challengeri was a spinosaurid dinosaur that lived during the Early Cretaceous period, around 113 to 100 million years ago. It measured about 8 meters (26 feet) in length and is characterized by its long, narrow snout filled with conical teeth, making it well-suited for catching fish, similar to modern crocodiles. Irritator likely had a semi-aquatic lifestyle, spending time in rivers and lakes. The species is known from fossils discovered in Brazil’s Romualdo Formation, part of the fam…

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