Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN —With appendages growing out of its head and an armored mouth, an ancient shrimplike creature was thought to be the quintessential apex predator of its time. The 2-foot-long (0.6-meter-long) Anomalocaris canadensis was one of the largest marine animals to live 508 million years ago. The model was based on a well-preserved but flattened fossil found in the Burgess Shale formation in the Canadian Rockies. The marine animal was one of the largest of its time.

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Persons: ”, Russell Bicknell, Anomalocaris canadensis Bicknell, Bicknell, ” Bicknell Organizations: CNN, American Museum, Natural, University of New, Canadian Rockies, Royal Society Locations: University of New England, Australia, Germany, China, Switzerland, United Kingdom