Hallucigenia: The worm with the missing head

The remains of an ancient worm species called ‘Hallucigenia' were so bizarre looking that scientists originally reconstructed it upside down and back to front. Now Martin Smith reveals the most complete picture so far of this peculiar marine worm.

Read the Nature paper ‘Hallucigenia’s head and the pharyngeal armature of early ecdysozoans’ at www.nature.com/doifinder/10.1038/nature14573

Find out more about Hallucigenia and other finds from the Burgess Shale at www.burgess-shale.rom.on.ca

24th June 2015

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