Ancient tiny fish fossil sheds light on evolution of jawed vertebrates

January 13, 2015 9:05 PM

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The jaw proved so popular among animals, it can be seen today throughout the Animal Kingdom, from tigers to crocodiles, from sharks to humans.

Now, researchers at Oxford University in England suggest a tiny, ancient fish fossil discovered in Siberia could explain the jaw's evolutionary origin. The 415-million-year-old fish skull was unearthed in the 1970s, but researchers are only just now coming to realize its paleontological importance.

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