237-million-year-old fossils reveal a bizarre armored sea amphibian
237-million-year-old fossils reveal a bizarre armored sea amphibian
A bizarre, heavily armored amphibian roamed the oceans 237 million years ago, despite the fact that modern amphibians cannot survive entirely in saltwater. Discovered in China, the giant salamander-sized creature may be the first known amphibian to have adapted to a fully marine existence.