Spinosaurus was one of the biggest predators of its time, but was it big enough to take down the Tyrannosaurus rex? Adding to the size of Spinosaurus was its nearly 5-foot sail that ran along the ...
Fossils from Morocco gave an international team of paleontologists the opportunity to fill in huge gaps in their knowledge about Spinosaurus, one of history's scariest dinosaurs — and the result was a ...
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