Still Waters Posted June 12, 2014 #1 Share Posted June 12, 2014 A stunningly preserved, soft-bodied fish that is more than 500 million years old could be the ancestor of almost all living vertebrates. The fossilized fish, called Metaspriggina, sports characteristic gill structures that later evolved into jawbones in jawed vertebrates, according to a new study. https://uk.news.yaho...783.html#eDFTng Link to comment Share on other sites More sharing options...
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