Nemertea
- Information on the classification of the ribbon worms with a photograph of Tubulanus rhabdotus.
- http://www.tolweb.org/Nemertea/2489

Nemertes
- Provides a portal to the phylum Nemertea, the ribbon worms, with information including their anatomy, classification and current research.
- http://nemertes.si.edu/

Introduction to the Nemertini
- Introduction to the Nemertini, the ribbon worms. A short page with a single photograph.
- http://www.ucmp.berkeley.edu/nemertini/nemertini.html