The Silurian Era: The First Sharks (jan 1, 450000000 BC – jan 1, 0)
Description:
450 million years ago, during the Silurian period, sharks first began developing as a unique species. During that time, the ocean was filled with a variety of bony fish. One of these fish, the Acanthodian, was the very first ancestor of the modern shark.Added to timeline:
Date:
jan 1, 450000000 BC
jan 1, 0
~ 90000000 years