アノマロカリス
An extinct animal that lived during the Cambrian period (544-500 million years ago). It had a head with prominent eyes and a pair of grasping appendages, and its body was flanked by lobes used for swimming. The largest predator of the time period, it could grow as long as 2 meters (6 feet) in length and was widely distributed. Its name means "strange shrimp."

h4. External links

* "Wikipedia: Anomalocaris":http://en.wikipedia.org/wiki/Anomalocaris
anomalocaris