#worm  any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
  supertype:  invertebrate  any animal lacking a backbone or notochord; the term is not used as a scientific classification
  subtype:  helminth__parasitic_worm__parasiticworm  worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes
  subtype:  woodworm  a larva of a woodborer
  subtype:  acanthocephalan__spiny-headed_worm  any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
  subtype:  arrowworm__chaetognath  any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth
     subtype:  sagitta  any arrowworm of the genus Sagitta
  subtype:  flatworm__platyhelminth  parasitic or free-living worms having a flattened body
     subtype:  planarian__planaria  free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
     subtype:  trematode__trematode_worm__trematodeworm  parasitic flatworms having external suckers for attaching to a host
        subtype:  liver_fluke__liverfluke__Fasciola_hepatica  flatworm parasitic in liver and bile ducts of domestic animals and humans
        subtype:  Fasciolopsis_buski  fluke that is parasitic on humans and swine; common in eastern Asia
        subtype:  schistosome__blood_fluke__bloodfluke  flatworms parasitic in the blood vessels of mammals
     subtype:  tapeworm__cestode  ribbon-like flatworms that are parasitic in the intestines of humans and other vertebrates
        subtype:  echinococcus  tapeworms whose larvae are parasitic in humans and domestic animals
        subtype:  taenia  tapeworms parasitic in humans which uses the pig as its intermediate host
  subtype:  ribbon_worm__nemertean__nemertine__proboscis_worm__proboscisworm  soft unsegmented marine worms having a threadlike proboscis and the ability to stretch and contract
  subtype:  beard_worm__beardworm__pogonophoran  slender animal with tentacles and a tubelike outer covering; lives on the deep ocean bottom
  subtype:  nematode_worm__nematode__roundworm  unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
     subtype:  common_roundworm__Ascaris_lumbricoides  intestinal parasite of humans and pigs
     subtype:  chicken_roundworm__chickenroundworm__Ascaridia_galli  intestinal parasite of domestic fowl
     subtype:  pinworm__threadworm__Enterobius_vermicularis  small threadlike worm infesting human intestines and rectum especially in children
     subtype:  eelworm  any of various small free-living plant-parasitic roundworms
        subtype:  vinegar_eel__vinegareel__vinegar_worm__vinegarworm__Anguillula_aceti__Turbatrix_aceti  minute eelworm that feeds on organisms that cause fermentation in e.g. vinegar
     subtype:  wheatworm__wheat_eel__wheateel__wheat_eelworm__wheateelworm__Tylenchus_tritici  small roundworm parasitic on wheat
     subtype:  trichina__Trichinella_spiralis  parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles
     subtype:  hookworm  parasitic blood-sucking roundworms having hooked mouth parts to fasten to the intestinal wall of human and other hosts
     subtype:  filaria  slender threadlike roundworms living in the blood and tissues of vertebrates; transmitted as larvae by biting insects
     subtype:  Guinea_worm__Dracunculus_medinensis  parasitic roundworm of India and Africa that lives beneath the skin of man and other vertebrates
  subtype:  annelid_worm__annelidworm__segmented_worm__segmentedworm  worms with cylindrical bodies segmented both internally and externally
     subtype:  archiannelid  small primitive marine worm lacking external segmentation and resembling polychaete larvae
     subtype:  oligochaete_worm__oligochaeteworm__oligochaete  hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body
        subtype:  earthworm__angleworm__fishworm__fishing_worm__fishingworm__wiggler__nightwalker__nightcrawler__crawler__dew_worm__dewworm__red_worm__redworm  terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
     subtype:  polychaete_worm__polychaete__polychete__polychete_worm__polycheteworm  chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
        subtype:  lugworm__lug__lobworm  marine worms having a row of tufted gills along each side of the back; often used for fishing bait
        subtype:  sea_mouse__seamouse  any of several large worms having a broad flattened body with a mat of coarse hairs covering the back
        subtype:  bloodworm  a segmented marine worm with bright red body; often used for bait
     subtype:  bloodsucker__leech__hirudinean  carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end
        subtype:  medicinal_leech__medicinalleech__Hirudo_medicinalis  large European freshwater leech formerly used for bloodletting
        subtype:  horseleech  any of several large freshwater leeches

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