The Silurian Era: The First Sharks (1 jan 450000000 ano antes da era comum – 1 jan 0 ano)
Descrição:
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.Adicionado na linha do tempo:
Data:
1 jan 450000000 ano antes da era comum
1 jan 0 ano
~ 90000000 years
