phylum chaetognatha
English Thesaurus
1. arrowworms: a group of small active transparent marine worms (noun.animal)
| hypernym | : | phylum, |
| definition | : | (biology) the major taxonomic group of animals and plants; contains classes (noun.group) |
| member holonym | : | arrowworm, chaetognath, |
| definition | : | 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 (noun.animal) |
| member holonym | : | genus sagitta, |
| definition | : | chief genus of Chaetognatha including the largest arrowworms (noun.animal) |
| member holonym | : | genus spadella, |
| definition | : | marine worms resembling the sagittas but with a broader body and only one pair of lateral fins (noun.animal) |
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