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Behold Timurlengia葉he Elusive Missing Link in Tyrannosaur Evolution

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Author Topic: Behold Timurlengia葉he Elusive Missing Link in Tyrannosaur Evolution  (Read 432 times)
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Melody Stacker
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« on: March 16, 2016, 12:08:36 am »



Skeletal reconstruction of T. euotica. Known bones are shown in red. Individual bones come from different individuals. Image: S. L. Brusatte et al., 2016/PNAS

According to a new study published in the Proceedings of the National Academy of Sciences, the discovery of Timurlengia euotica—a mid-sized dinosaur found in the Bissekty Formation in Uzbekistan—finally resolves this frustrating gap in the fossil record. The bits of scattered bone and a remarkably well-preserved braincase is offering an unprecedented glimpse into what these middling predators looked like in the immediate period before they evolved into their much larger form.

Little is known about how tyrannosaurids developed not just their gigantic sizes, but also their highly unusual brains and ears capable of tuning in to low-frequency sounds. As physically impressive as these creatures were, they also exhibited very sophisticated senses.
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