Human-sized salamander with fangs offers evolutionary clues
Tusks for the memories. The Tyrannosaurus rex was not the first toothy predator on Earth. Forty million years before dinosaurs became the world’s largest predators, a human-sized salamander with four-inch-long tusks existed, according to a revealing study published in the journal Nature. A fossilized skeleton of the amphibian was excavated in Namibia by scientists from … Read more