Ancient Sea Creature
500 million years ago the Cambrian Seas were the place for megapredator Anomalocaris canadensis. This is the largest creature known from that time, it craspet its prey with the claws on the front of its body. Anomalocaris a member of a group of arthropods known as anomalocarids.
Anomalocaris canadensis reached lengths up to 1 meter (3.3 feet) or more, which makes it, and some of its relatives, the largest known animals of the Cambrian period.