Scientists Find Lamprey a 'Living Fossil' -- 360 Million-year-old Fish Hasn't Evolved Much

Scientists from the University of Witwatersrand in Johannesburg, South Africa, and the University of Chicago have uncovered a remarkably well-preserved fossil lamprey from the Devonian period that reveals today’s lampreys as “living fossils” since they have remained largely unaltered for 360 million years.

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