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Tyrannosaurs lived in the Southern Hemisphere, too

Australian fossils suggest the kin of T. rex dispersed globally

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1:42pm, March 25, 2010

Paleontologists digging in Australia’s aptly named Dinosaur Cove have unearthed the first known fossils of a tyrannosaur from the Southern Hemisphere.

The fossils include the remains of just one 30-centimeter-long bone from the creature’s pelvic girdle, but certain features of that bone are seen only in tyrannosaurs, says Roger B.J. Benson and his colleagues report in the March 26 Science. Previously, all known fossils of the tyrannosaur lineage have been unearthed in the Northern Hemisphere.

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