More on horsehair worm from Fact Monster:

• Nematomorpha - Nematomorpha Nematomorpha , small (about 230 species) phylum of pseudocoelomates; the horsehair ...
• pseudocoelomate - pseudocoelomate pseudocoelomate , any of a group of invertebrates with a three-layered body that ...
• 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