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Myzostomids: Myzostomida

Myzostomids And People

Myzostomids have no direct impact on humans or their activities.


The strange bodies of myzostomids make them difficult to classify. When they were discovered in 1827, myzostomids were placed with flukes, a kind of flatworm. Later they were classified with a group that contained water bears and crustaceans (krus-TAY-shuns), water-dwelling animals that have jointed legs and a hard shell but no backbone. Today most scientists consider them with the group that includes sand worms, earthworms, and leeches. Studies, including DNA analysis, show that they are most closely related to flat worms.

Additional topics

Animal Life ResourceMollusks, Crustaceans, and Related SpeciesMyzostomids: Myzostomida - Physical Characteristics, Behavior And Reproduction, Myzostomids And People, No Common Name (myzostoma Cirriferum): Species Account - GEOGRAPHIC RANGE, HABITAT, DIET, CONSERVATION STATUS