segunda-feira, janeiro 29, 2007

Lampreia - O Fóssil Vivo

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

Science Daily — 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.

The scientists describe the new find in the article, "A lamprey from the Devonian of South Africa," to be published in the Oct. 26, 2006, issue of Nature.

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