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518-Million-Year-Old Fossil Pushes Back Origin of Spider Fangs
Key Takeaways
- A 518-million-year-old fossil preserves early chelicerae, the appendages that later evolved into spider fangs.
- X-ray analysis revealed soft anatomy hidden inside the fossil-bearing rock.
- The finding helps clarify early chelicerate evolution during the Cambrian.
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DT Editorial Team··via sciencedaily.com