This spiky fossil shows what early mollusks looked like
It and 17 fossils from more than 500 million years ago help piece together an evolutionary gap
When viewed from above, spines covering the body of a fossilized mollusk dubbed Shishania aculeata make the creature look like a prickly fruit. The newly described fossil shows what early mollusks looks like more than 500 million years ago.
G. Zhang, L. Parry