acanthocephala

WORDNET DICTIONARY

acanthocephala(n = noun.animal) phylum acanthocephala - phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms;

is a member of animal kingdom, animalia, kingdom animalia

is a kind of phylum

acanthocephala, n. pl. [NL., from Gr. a spine, thorn + head.].

A group of intestinal worms, having the proboscis armed with recurved spines. [1913 Webster]