Dinosaur Discovery on MSN

This extinct whale was one of the most dangerous predators ever discovered

Leviathan melvillei was one of the most terrifying marine predators to ever exist, dominating the oceans millions of years ...
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The scariest extinct animals once found in Britain

From massive predators to dangerous beasts, the UK was once home to animals you would never want to encounter today. This video explores the terrifying creatures that went extinct long ago. Iran sends ...