Fossils found in China reveal rise of jawed vertebrates

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A trove of fossils in China unearthed in rocks dating back some 440 million years showed new fish species and provided concrete evidence of the origin and earliest evolution of the jawed vertebrates. They described a new genus and species of an early Silurian jawed fish based on isolated tooth whorls collected in southwest China's Guizhou Province, extending the record of the teeth by 14 million years. It might be the oldest known teeth from any jawed vertebrate.


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