Paleontologist at the University of Portsmouth, UK, who discovered a “holy grail” fossil in Morocco, thinks he understands Spinosaurus. For him, the evidence is mounting that this species’ evolutionary adaptations point to a semi-aquatic lifestyle. From a tail adjusted for water propulsion, to fish-capturing jaws, Spinosaurus was perfectly suited to an environment that was once teeming with ancient river systems and car-sized fish. Here’s what we know about this enigmatic dinosaur.
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