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scorpions
New Arthropod Fossil Might be Relative of Spiders, Scorpions (Video)
A 508-million-year-old arthropod is thought to share a common ancestor with spiders and scorpions.
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New Arthropod Fossil Might be Relative of Spiders, Scorpions (Video)
A 508-million-year-old arthropod is thought to share a common ancestor with spiders and scorpions.
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