A three-eyed organism roamed the seas half a billion years ago
The shrimp-sized, strong-armed creature dating back 520 million years is filling in some evolutionary gaps.
![](https://whatco.me/media/cache/resolve/entry_thumb/1f/3c/1f3c0c713d4c944803afdf5e22e02271611f07ff866eea0852cba32891924a52.png)
The shrimp-sized, strong-armed creature dating back 520 million years is filling in some evolutionary gaps.