This 500-Million-Year-Old Fossil of a Claw-Bearing Predator Uncovers the Origins of Spiders, Scorpions and Other Arthropods
A new analysis of a specimen found more than 40 years ago reveals the oldest known chelicerate, defined by its pair of pincer-like appendages
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www.smithsonianmag.com/smart-news/this-500-million-year-old-fossil-of-a-claw-bea
www.smithsonianmag.com/smart-news/this-500-million-year-old-fossil-of-a-claw-bea
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