The Silurian Era: The First Sharks (1 ene 450000000 año aC – 1 ene 0 año)
Descripción:
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.Añadido al timeline:
fecha:
1 ene 450000000 año aC
1 ene 0 año
~ 90000000 years