In September 2012, the paleontologists Nazir Ibrahim and Paul Sereno at the University of Chicago opened a package containing a collection of fossils pulled from the Cretaceous rock beds of the Kem ...
Longer and taller than a double-decker bus, with a narrow crocodilian snout, a giant sail on its back, and a paddle-like tail, Spinosaurus is one of the most mysterious, most bizarre, and most ...
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