Stubby-armed dino was T. rex of Southern Hemisphere
Tuesday, May 22, 2012 - 19:00
in Paleontology & Archaeology
A newfound giant predatory dinosaur with even stubbier arms than Tyrannosaurus rex may now hint that a vast desert once existed in the heart of a lost supercontinent, potentially barring this carnivore and its kin from spreading across the entire ancient world, researchers say.