Nightmare creature had egg-shaped eyes, Swiss Army knife head and a butt shield

A spiky, armor-plated "walking tank" with bulging eyes, a shield on its butt and a head like a Swiss army knife scuttled along the seafloor more than 500 million years ago, snapping up prey with a deadly pair of mouth pincers called chelicerae.

from FOX News https://ift.tt/30fmfVV
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