Researchers Just Linked Your Jawbone to This Preshistoric Fish



October 20, 2016

fossil bed in southwestern China is full of prehistoric fish that are changing the way scientists think about evolution.

study, published Thursday in the journal Science, analyzes the jaws of two species of placoderms — ancient fish that had blade-like jaws and lived over 420 million years ago. Their jaws are made up of bones that the study’s authors argue are the evolutionary origin of modern vertebrate jaws.



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