#nematode_worm__nematode__roundworm  unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
  supertype:  #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
  subtype:  #common_roundworm  #chicken_roundworm  #pinworm  #eelworm  #wheatworm  #trichina  #hookworm  #filaria  #Guinea_worm
  member of:  #phylum_Nematoda__Nematoda__Aschelminthes__phylum_Aschelminthes  unsegmented worms: roundworms; threadworms; eelworms
     member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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