phylum Chaetognatha

Thesaurus

Noun

1.

phylum Chaetognatha - arrowworms: a group of small active transparent marine worms Chaetognatha animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals 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 genus Sagitta - chief genus of Chaetognatha including the largest arrowworms genus Spadella - marine worms resembling the sagittas but with a broader body and only one pair of lateral fins phylum - (biology) the major taxonomic group of animals and plants; contains classes

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