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Ancient Fossil Could Show Evolution Of Early Jaws

  • Uploaded by Newsy on Jun 12, 2014
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Metaspriggina, a 500-million-year-old fossil, is one of the earliest-known vertebrates and may be the first fossil showing the evolution of the Jay Strubberg: more at :Royal Ontario Museum Toronto Star Nature BBC #p0036vd6 CBC via: Royal Ontario



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