Ancient dog-size sea scorpion unearthed in China – Livescience.com

A 3.3 foot-long (1 meter) sea scorpion prowled the seas of what is now China some 435 million years ago, using its giant, spiny arms to ensnare prey.
Archaeologists recently discovered the remains of this scorpion (Terropterus xiushanensis), which was a…

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