4 hours ago by Marie Daniels
A study of the jaws of one of the earliest known limbed vertebrates shows the species still fed underwater, not on land.
Scientists from the University of Lincoln, UK, University of Zurich, Switzerland, University of Cambridge and University of Bristol, developed an innovative new method to infer the feeding mechanism of Acanthostega – one of the earliest and most primitive tetrapods.
Tetrapods - the four-legged limbed vertebrates - evolved from fish and include today's amphibians, reptiles, birds and mammals.
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