The New Spinosaurus

Spinosaurus has changed dramatically since I was a kid. The model I used to terrorize my other toys with looked like an overgrown Allosaurus with a giant sail on its back. As paleontologists rearranged the dinosaur family tree and found new species, however, they realized that Spinosaurus was a very different sort of animal, allied with croc-snouted, heavy-clawed dinosaurs like Baryonyx. When Spinosaurus finally tore up the celluloid in 2001's Jurassic Park III, it was as a monstrous carnivore with giant claws, an elongated snout filled with conical teeth, and a flashy fin atop its back. And the evolution of Spinosaurus imagery has not stopped. A paper out ...

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