Also found in: Thesaurus.
Related to phylum Acanthocephala: phylum Nematoda
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|Noun||1.||phylum Acanthocephala - phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms|
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
acanthocephalan, spiny-headed worm - any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
phylum - (biology) the major taxonomic group of animals and plants; contains classes