Spinosaurus, the first aquatic dinosaur

The giant Cretaceous carnivore had bones adapted to a life in shallow water.

Since its first description in 1915, the spinosaurus has intrigued paleontologists. First, by its large size, which makes it a larger carnivorous dinosaur than the famous tyrannosaurus. But also by certain anatomical particularities, characteristics of animals that live in water, such as the shape of its skull and its teeth, reminiscent in certain aspects of that of crocodiles that live in water but breathe in the open air. However, of the hundreds of species of dinosaurs known, none were aquatic, even if other types of reptiles such as ichthyosaurs were several hundred million years ago. Spinosaurus was he so different from other dinosaurs?

“In 2014, paleontologists argued in the journal Science that Spinosaurus was in fact aquatic, based on its skull, teeth but also the relatively small size of its pelvis and hind limbs, and the hypothesis of webbed feet suitable for swimmingsays Alexandra Houssaye, director…

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