“Amazing” 500-million-year-old fossils preserved the brain of this creepy three-eyed predator

What had spiky claws sticking out of its mouth, a body shaped like a toilet brush, and looked like it’d slipped off the cover of a sci-fi novel? A Cambrian-era ocean predator known as Stanleycaris hirpex. Newly found fossils of the bizarre creature are exceptionally complete, preserving the brain, nervous system and a third eye.

Researchers at the Royal Ontario Museum (ROM) in Toronto recently announced the discovery of fossils of this strange animal as part of an “amazing” trove of fossils dating back 506 million years, according to a expression (opens in new tab).

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