Ancient Earth

No dinosaur sparks more curiosity—or dread—than Tyrannosaurus rex.

Imagine walking through a dense forest over 300 million

Long before dinosaurs roamed the Earth and sharks ruled

Before dinosaurs, before trees, even before vertebrates

Long before sharks became the ocean’s top predators

Placoderms: The Armored Pioneers of Prehistoric Seas

Before sharks grew rows of jagged teeth and reputations

When we think of the good dinosaur, images of towering