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Nemertea (Ribbon Worms)

  1. Janet Moore1,
  2. Ray Gibson2

Published Online: 19 APR 2001

DOI: 10.1038/npg.els.0001586



How to Cite

Moore, J. and Gibson, R. 2001. Nemertea (Ribbon Worms). eLS. .

Author Information

  1. 1

    University of Cambridge, Cambridge, UK

  2. 2

    Liverpool John Moores University, Liverpool, UK

Publication History

  1. Published Online: 19 APR 2001


Nemerteans form a phylum of predominantly marine soft-bodied, often elongate, worms with no general body cavity. They are characterized by an eversible proboscis separate from the gut, a gut with separate mouth and anus, and a closed blood system.


  • ribbon-worms;
  • proboscis-worms;
  • Nemertinea;
  • Nemertini;
  • Rhynchocoela