3D printed fish fossil may reveal origin of human teeth

Three-dimensional prints of a 400 million year old fish fossil from around Lake Burrinjuck in southeast Australia reveal the possible evolutionary origins of human teeth.
The Australian National University (ANU) and Queensland Museum digitally dissected the jaws of a fossil Buchanosteus – an armoured fish from the extinct placoderm group – and used the 3D prints to learn how the jaws moved and whether the fish had teeth.

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