Cestoidea

[sĕs-toidē-ə]
n.
  1. A class of flatworms characterized by lack of an alimentary canal and, in typical forms, by a segmented body with a scolex at one end; adult worms are vertebrate parasites, usually found in the small intestine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for cestoidea

Historical Examples of cestoidea