The fascinating world of trilobites
The fossils of small segmented animals had been known to humans for centuries, but for most of that time, no one was really sure what they actually were. Their durable armored exoskeleton and habit of moulting ensured that they were easily fossilized and discovered by people hundreds of millions of years later. Some Native American people used Elrathia fossils as amulets and back in 1679 the first scientist to study Ogygiocarella thought it was a flatfish skeleton.
