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Fossilized walking cactus found in China

The fossilized remains of an extinct funny-looking "walking cactus" has been found in China. The 2.4-inch-long (6-centimeter-long) Diania cactiformis had a worm-like body and ten pairs of armored and likely jointed legs. It would have lived about 500 million years ago during a period of rapid evolution called the Cambrian explosion. Study