The major groups of parasitic helminths include platyhelminths flatworms acanthocephalins thorny headed worms cestodes tapeworms trematodes flukes and nematodes roundworms the classification and identification of helminths are dependent on numerous factors including body shape body cavity body covering digestive tubing sex and type of attachment organs. The helminths or parasitic worms correspond to three types trematoda or staves are a class of phyllo platyhelminthes flatworms cestoda are another class of the same phyla and nematode another phyllo tubular worms usually the helminths have a macroscopic size measuring from 1 mm to 1 m 003937 in to 328 ft and even more. free book parasitology identification of helminths uploaded by penny jordan last version parasitology identification of helminths uploaded by robert ludlum the helminths or parasitic worms correspond to three types trematoda or staves are a class of phyllo platyhelminthes flatworms cestoda are another class of the same phyla and. The importance of correct identification properties of an ideal diagnostic test isolation of parasites identification from gross morphology biochemical techniques immunological techniques molecular techniques rapid diagnostic tests rdts maldi tof ms questions