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New 190-Million-Year-Old “Sword Dragon” Rewrites Ichthyosaur Evolution
A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among Jurassic marine reptiles. A nearly complete skeleton discovered along the UK’s Jurassic Coast has been identified as a previously unknown and rare species of ichthyosaur, a prehistoric marine reptile that once dominated ancient seas. The dolphin-sized species, named [...]
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