Also found in: Thesaurus.
Related to phylum Aschelminthes: phylum Annelida
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|Noun||1.||phylum Aschelminthes - unsegmented worms: roundworms; threadworms; eelworms|
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
helminth, parasitic worm - worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes
nematode, nematode worm, roundworm - unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
phylum - (biology) the major taxonomic group of animals and plants; contains classes