ribbon worm:

More on ribbon worm from Fact Monster:

• Nemertinea - Nemertinea Nemertinea , phylum of elongated, often flattened, marine Worms, sometimes called ribbon ...
• WORMS - Earthworms are the most familiar worms, but there are thousands of other types of these soft, legless creatures. Some are microscopic, others grow to
• worm - worm worm, common name for various unrelated invertebrate animals with soft, often long and slender ...
• Encyclopedia: Zoology: Invertebrates - Encyclopeadia articles concerning Zoology: Invertebrates.

See more Encyclopedia articles on: Zoology: Invertebrates