Discovery of the first ancestors of scorpions, spiders and horseshoe crabs

PHYSorg
May 14, 2024, 11:36 am128 pts
Who were the earliest ancestors of scorpions, spiders and horseshoe crabs? A Ph.D. student from the University of Lausanne (Switzerland), with the support of a CNRS researcher, has identified a fossil that fills the gap between modern species and those from the Cambrian period (505 million years ago), solving a…

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