"The Discovery of a Tiny Tyrannosaur Adds New Insight..." Topic
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| Tango01 | 17 Mar 2016 10:05 p.m. PST |
… Into the Origins of T. Rex. "There's no dinosaur quite like Tyrannosaurus rex. The giant, flesh-eating "tyrant king" has dominated our imaginations for more than a century, snarling at us from museum halls and Hollywood blockbusters. But how did one of the biggest carnivores to ever walk the Earth get to live so large? A new fossil find from Uzbekistan adds a crucial clue, underscoring the fact that this celebrated family of sharp-toothed dinosaurs didn't always rule. The new dinosaur, named Timurlengia euotica by National Museum of Natural History paleontologist Hans-Dieter Sues and colleagues today in the Proceedings of the National Academy of Sciences (PNAS), took a circuitous route to discovery. Back in 2012 Sues and study coauthor Alexander Averianov described a smattering of bones from the 90-million-year-old rock of Uzbekistan's Kyzylkum Desert. The pieces were definitely those of a small tyrannosaur, Sues says, but the bones "did not have the unique features or a unique combination of features that would have allowed us to distinguish our animal from other tyrannosaurs."…"
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