Cambrian period
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Wufengella: Armored Worm from 518 Million Years Ago Reveals Ancestry of Three Major Animal Groups
Scientists believe the Wufengella or the ancient armored worm is an ancestor of segmented worms and other animals of today.
Latest Research Articles
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Scientists Find Oldest Footprints On Earth That Date Back Up To 551 Million Years
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Fossil 'Mud Dragons' Shed Light On the Evolution Of Body Segmentation In Animals
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[VIDEO] 'Living fossil' Is Actually Rapidly Evolving, Researchers Say
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Why Iowa Isn't The Middle of Nowhere For Cambrian-Period Fossils [IN-DEPTH]
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Canadian Fossils Show Earliest Reproduction--565 Million Years Ago
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