Scary 515 million-year-old predator had better vision than almost any…

Anomalocaris is one of the weirdest and fiercest creatures from the Cambrian period, when multicellular life first evolved over 600 million years ago. With its circular, serrated mouth, giant eyes on stalks, spiked arms, and body-spanning fins, this two-meter-long creature was at the top of the food chain in the… » 12/07/11 3:00pm 12/07/11 3:00pm