The peculiar feeding mechanism of the first vertebrates

A fang-like tooth on double upper lips, spiny teeth on the tongue and a pulley-like mechanism to move the tongue backwards and forwards -- this bizarre bite belongs to a conodont and, thanks to fresh fossil finds, has now been analyzed and reconstructed by a research team headed by paleontologists from the University of Zurich. Their analysis sheds light on the origin of jaws. Their reconstruction shows for the first time how the first vertebrates fed.

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