The Silurian Era: The First Sharks (1 янв 450000000 г. до нашей эры – 1 янв 0 г.)
Описание:
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.Добавлено на ленту времени:
Дата:
1 янв 450000000 г. до нашей эры
1 янв 0 г.
~ 90000000 years