The Ordovician Mass Extinction Killed 85 Percent Of Life On Earth In A Totally Unique WayThe Ordovician period saw some deep-sea weirdos changing and diversifying at a rate rarely seen before.Image credit: Esteban De Armas/Shutterstock.com When you think about a prehistoric mass extinction event, chances are your mind goes to the K-Pg boundary, and the day that fateful asteroid smashed...
English
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Portuguese (Brazil)
Greek