A remarkable fossil discovery in China has revealed an ancient amphibian that lived entirely in the ocean, something no amphibian alive today is known to do. The unusual animal, named Gerrothorax maritimus, had a broad, flattened body protected by bony armor and was roughly the size of a giant salamander. Researchers believe it spent much of its life on the seafloor, waiting to ambush passing prey. The discovery comes from an international team at the University of California, Davis, Peking University, and the Geological Museum of Guizhou. Their findings, published…
