'A very mean worm': New species of 'Bobbitt' worm was 1-2 metres long with powerful teeth

Researchers have discovered a new species of an ancient worm that was more than a metre long and had powerful jaws and teeth with which to catch its prey.
Read more: http://www.cbc.ca/beta/news/technology/400-million-year-old-gigantic-worm-1.3996315?source=Snapzu