Irritator challengeri Corythoraptor Estimated to have measured between

Estimated to have measured between 2 and 2

En cuanto a su comportamiento social

are thought to represent a crucial link in the evolutionary chain of modern whales

was a terrestrial animal and is believed to have lived in swampy areas and river banks

The Model Pose represents a specimen of Ammonites sp expelling water through its siphon in order to control buoyancy

Irritator challengeri Corythoraptor Estimated to have measured betweenIrritator challengeri is a genus 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", in reference 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