#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
  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
  member of:  phylum_Chaetognatha
  subtype:  sagitta  any arrowworm of the genus Sagitta

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