New Species Fills in Tyrannosaur Gap by Beth Geiger | Free Audiobook

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Title: New Species Fills in Tyrannosaur Gap
Author: Beth Geiger
Narrator: Jamie Renell
Format: Unabridged
Length: 2 mins
Language: English
Release date: 04-06-16
Publisher: Science News
Genres: Science & Technology, Magazine & Radio

Summary:
A fossil from a new species of dinosaur is helping to bridge a crucial 20-million-year gap in tyrannosaur evolution. The key fossil is a 90-million-year-old, grapefruit-sized partial skull from Uzbekistans Bissekty Formation. This tyrannosaur braincase, the first well-preserved one found from the mid-Cretaceous period, shows that, although still small, tyrannosaurs of the time already had brain and ear features of later tyrannosaurs. Researchers have dubbed the in-betweener Timurlengia euotica, meaning well-eared. They describe the new species online March 14 in the Proceedings of the National Academy of Sciences.
"New Species Fills in Tyrannosaur Gap" is from the April 16, 2016 issue of Science News.

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