arrow worm

Related to arrow worm: phylum Chaetognatha

arrow worm

Any of various small slender marine worms of the phylum Chaetognatha, having a narrow, almost transparent body and spines on each side of the mouth that are used for grasping prey. Also called chaetognath.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Translations

nuolimato

Mentioned in ?

chaetognath

References in periodicals archive ?

A possible Lower Cambrian chaetognath (arrow worm).

New group of the Early Palaeozoic conodont-like fossils

Haddock and Case (1994) reported the first known species of bioluminescent arrow worm, Caecosagitta macrocephala (Fowler, 1904), a deep-living species usually found at depths greater than 700 m.

Bioluminescent organs of two deep-sea arrow worms, Eukrohnia fowleri and Caecosagitta macrocephala, with further observations on bioluminescence in chaetognaths