Gigantic extinct sharks have something to tell us from millions of years ago, ... so she’s spent over ten years taking online classes and reading paleontological books and scientific papers.

Facebook X Reddit Email Save. Fifteen million years ago, now-extinct species of dolphins, whales and large sea cows roamed the world’s oceans, topping the underwater food chain. Yet back then ...

Through many of Earth’s mass extinction events, these finned predators have endured. The K–T extinction that annihilated the dinosaurs only wiped out about 30 percent of sharks.. But a study published ...