Extinct marine creature had nervous system like modern scorpions and spiders…

Extinct marine creature had nervous system like modern scorpions and spiders

Boffins have discovered the earliest known complete central nervous system in a never-before-described water-spider-like creature that wandered the ocean 520 million years ago.…

Read more http://go.theregister.com/feed/www.theregister.co.uk/2013/10/17/water_spider_brain/