Four hundred and thirty million years ago, long before the evolution of barracudas or sharks, a different kind of predator stalked the primordial seas. The original sea monsters were eurypterids — better known as sea scorpions.
This illustration shows a sea scorpion attacking an early vertebrate
[Credit: Nathan Rogers]Related to both modern scorpions and horseshow crabs, sea scorpions had thin, flexible bodies. Some species…
[[ This is a content summary only. Visit my website for full links, other content, and more! ]]