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Giant Shrimplike Predator Was a Weakling Tuesday, November 09, 2010 - Anuradha Menon Home >> Headlines >> Biology   
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A shrimplike creature thought to be Earth's first great predator was actually more of a worm-eating wuss, scientists say. Anomalocaris canadensis glided along the seafloor about 500 million years ago, during Earth's Cambrian period. Nearly three feet (one meter) long, the shelled, bulging-eyed animal was giant compared to the other organisms living at the time. Its unusual, O-shaped mouth was composed of 32 overlapping plates and protected by two spiky prongs. (source: news.nationalgeographic.com)
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