1) Class 2) Class cestoda 1) Echinococcus 2) Gyrocotyle 3) Taenia 
Cestoda (Cestoidea) is the name given to a class of parasitic flatworms, of the phylum Platyhelminthes. Biologists informally refer to them as cestodes. The best-known species are commonly called tapeworms. Cestodes are all parasitic and their life histories vary, but typically they live in the digestive tracts of vertebrates as adults, and often ...
A subclass of segmented worms comprising the tapeworms. ... (12 Dec 1998) ... 
(sәs-to´dә) a subclass of Cestoidea comprising the true tapeworms, which have a head (scolex) and segments (proglottids). The adults are endoparasitic in the alimentary tract and associated ducts of various vertebrate hosts; their larvae may be found in various organs and tissues.
Type: Term Pronunciation: ses-tō′dă Definitions: 1. A subclass of tapeworms (class Cestoidea), containing the typical members of this group, including the segmented tapeworms that parasitize humans and domestic animals. Synonyms: Eucestoda
Cestoda (the Cestodes) is a class of Phylum platyhelminthes commonly known as the tapeworms. They are internal parasites lacking an alimentary canal. They have no definite sense organs, and the nervous system is poorly developed. The cuticle is thick and many-layered. Hooks and/or suckers are limited to one end. They have great reproductive powers,...
[n] - tapeworms
class Cestoda noun tapeworms