Researchers Unearth 420-Million-Year-Old ‘Living Fossil’ Fish Species, Helped Them to Connect Human Evolution Analysis of 420 ...

Earth once hosted more than 10,000 species of these ancient ... They were also preyed on by larger reptiles and fish. As ammonites evolved throughout the Mesozoic era, between 252 and 66 million ...

Rising CO2 levels threaten sharks and rays - our report in category News in DiveInside - the fresh online magazine of Taucher.Net ...