Ancient shark teeth lost in Antarctica millions of years ago recorded Earth’s climate history - Deccan Herald 14-Jul-2021

Ancient shark teeth lost in Antarctica millions of years ago recorded Earth’s climate history - Deccan Herald

By Sora Kim for The Conversation Tens of million years ago, sand tiger sharks hunted in the waters off the Antarctic Peninsula, gliding over a thriving marine ecosystem on the seafloor below. All that remains of them today is their sharp pointed teeth, but th…

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