Early fossil identified as new species of Tyrannosaurus : vi

A dinosaur known only from a partial skull has been dubbed Tyrannosaurus mcraensis, adding a new twist to long-running debates about putative relatives of Tyrannosaurus rex

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United States , Calgary , Alberta , Canada , New Mexico , New Mexico Museum Of Natural History , America , Anthony Fiorillo , Jared Voris , Mexico Museum Of Natural History , Mcrae Group , University Of Calgary , North America , New Mexico Museum , Natural History , Wild Life , Animals , Palaeontology , Dinosaurs , Fossils ,