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500-million-year-old worm whose throat was lined with needle-like teeth

Hallucigenia reconstruction

(Hallucigenia reconstruction by Danielle Dufault)

Research recently published in Nature by Martin Smith a former EEB PhD student and Jean-Bernard Caron (EEB faculty Curator of invertebrate palaeontology ROM and EEB faculty) reveal the presence of a ring of teeth in this odd looking worm like animal. Martin is now a Junior Research Fellow in the Department of Earth Sciences, University of Cambridge.