The Jurassic Era: The Rise of Modern Sharks (jan 1, 200000000 BC – jan 1, 0)
Description:
The Jurassic Era began around 200 million years ago, during this time 12 new families of sharks appeared. These sharks were the predecessors of the sharks that exist today. During the Jurassic Era, sharks began to evolve flexible and protruding jaws so they could attack and eat larger prey. They also developed tail fins that allowed them to swim faster and more efficiently.
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