The Silurian Era: The First Sharks (1 janv. 450000000 av. J.-C. – 1 janv. 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.Ajouté au bande de temps:
Date:
1 janv. 450000000 av. J.-C.
1 janv. 0
~ 90000000 years