EARLY SEA An ancient sea species about 4 centimeters high, fossilized in China’s Lantian black shale, appears to have a holdfast for sticking to sediment, a stalk, and a crown of tentacle-like structures. Zhe Chen
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When life got complicated
What look like fossilized seaweeds plus other whatzits from the Lantian rock formation in southern China suggest that life may have started getting fancy earlier than researchers had thought.
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