Peruvian paleontologists have revealed a 9-million-year-old fossil of Cosmopolitodus Hastalis, a precursor to the great white shark. Found in Peru's Pisco basin, the exceptional fossil includes a ...
A "serrated blade" found sticking from a rock in the United Kingdom has been identified as a "nearly perfect" prehistoric shark tooth, experts say. It belonged to a Squalicorax falcatus shark ...