National Geographic News, Reporting Your World Daily

Thursday, October 28, 2010

Photo: Mass Extinctions Due to Sea Level Changes, Study Says


Email to a Friend	<< Back to Full Story

Pteranodons are one of thousands of species that did not survive the last mass extinction, about 65 million years ago. All periods of extinction, including those usually associated with asteroid and supervolcano events—like the one that wiped out the dinosaurs—are linked to sea level changes, according to a new study.

Illustration by Dorling Kindersley/Getty Images