Cambrian News

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• Ancient Predator Discovered in Utah Rewrites Evolutionary Timeline for Spiders and Horseshoe Crabs

  Published: Apr 1, 2026

  Section: Science & Tech

  Harvard researchers have identified Megachelicerax cousteaui, a 500-million-year-old fossil that represents the oldest known chelicerate. The discovery of this Cambrian-era pincer-...