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Only lightweight lizards survived killer asteroid

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The asteroid collision widely thought to have killed the dinosaurs also caused extreme devastation among snakes and lizards, including the newly identified Obamadon gracilis.

As many as 83 percent of all snake and lizard species died off, report researchers at Yale University—and the bigger the creature, the more likely it was to become extinct, with no species larger than one pound surviving.

Full story at Futurity.

More research news from top universities.

Photo credit: Carl Buell/Yale

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