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Oldest Dinosaur Found : Discovery News

Oldest Dinosaur Found : Discovery News | Science Stories | Scoop.it
A Labrador retriever-sized animal lived a record 243 million years ago, calculations show.
DD the Science Dude's insight:

The dinosaur, described in the latest Royal Society Biology Letters, was unearthed near present-day Lake Nyasa in Tanzania. It is named Nyasasaurus parringtoni, which combines the name Nyasa with the term for lizard. The name also honors Rex Parrington, a University of Cambridge paleontologist who first discovered the fossils.

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New Dinosaur Had Unforgettable Smile : Discovery News

New Dinosaur Had Unforgettable Smile : Discovery News | Science Stories | Scoop.it
A herbivore found in Wyoming had so many large teeth, its mouth was set in a perpetual grin.
DD the Science Dude's insight:

This dinosaur might be smiling, but I still wouldn't want to get too close to those teeth!

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Dino-Killing Meteorite Wiped Out Lizards, Too : Discovery News

Dino-Killing Meteorite Wiped Out Lizards, Too : Discovery News | Science Stories | Scoop.it
Reptiles that lived during the Dinosaur age were hard-hit -- just like the dinosaurs.
DD the Science Dude's insight:

"In the past, researchers believed that the K-T extinction, which occurred around 65 million years ago, wiped out dinosaurs, but mostly spared lizards and snakes. But the new findings, published today (Dec. 10) in the Proceedings of the National Academy of Sciences, showed that about 83 percent of these reptiles went extinct."

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