It looks like an alien parasite come to invade our brains, but the truly bizarre creature pictured above is a mud dragon—a tiny worm, roughly half the size of a grain of rice, that squirmed about the seafloor 530 million years ago. It’s one of the first fossils of a mud dragon ever discovered, and it could help scientists answer some big evolutionary questions. Read more…
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This Ancient Armored Mud Dragon Could Help Solve an Evolutionary Mystery
