Scientists discovered a 520-million-year-old fossilized larva with brains and guts intact, offering unprecedented insights into early arthropod evolution.
A remarkable fossilized larva has been discovered by scientists with its brain and guts still intact. The fossilized creature is one of the earliest ancestors of a group known as arthropods, which includes insects, crabs, and lobsters. A unique window into the past, the ancient critter has allowed experts a chance to better understand evolutionary links between the arthropods of the past and those of the present day.We know what fossils look like.
According to the press release, the structures observed within the creature—which were studied via 3D images generated from scans made using a technique known as synchrotron X-ray tomography—include a brain, “digestive glands, a primitive circulatory system and even traces of the nerves supplying the larva’s simple legs and eyes.
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