Related Overviews


More Like This

Show all results sharing this subject:

  • Zoology and Animal Sciences


Quick Reference

(phylum Annelida, class Hirudinea)

An order of aquatic or terrestrial, carnivorous, parasitic, or free-living worms in which a pharynx is present. All members of the order have three pairs of jaws. There are two families.

Subjects: Zoology and Animal Sciences.

Reference entries