Scientists find lamprey a 'living fossil'
360 million-year-old fish hasn't evolved much
October 26, 2006

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.

For the rest of the news release, see:
http://www.uchospitals.edu/news/2006/20061026-lamprey.html

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