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.

  • See U of T News coverage
  • View publication online  Nature
    Smith, Martin R., and Jean-Bernard Caron. "Hallucigenia/'s head and the pharyngeal armature of early ecdysozoans." Nature (2015).doi:10.1038/nature14573