Home Science & Space 90% of sharks mysteriously wiped out nearly 20 million years ago: researchers 5 months ago 5 months ago Science & Space 90% of sharks mysteriously wiped out nearly 20 million years ago: researchers by admin 5 months ago5 months ago 0views 0 An extinction event about 19 million years ago decimated shark populations by up to 90%, researchers say. Source Like it? Share with your friends! 0 What's Your Reaction? hate 0 hate confused 0 confused fail 0 fail fun 0 fun geeky 0 geeky love 0 love lol 0 lol omg 0 omg win 0 win Posted by admin 0 Comments Cancel replyYour email address will not be published. Required fields are marked * Save my name, email, and website in this browser for the next time I comment.