nematoda(n = noun.animal) aschelminthes, phylum aschelminthes, phylum nematoda - unsegmented worms: roundworms; threadworms; eelworms;
is a kind of phylum
is a member of animal kingdom, animalia, kingdom animalia
A phylum of worms, having a long, round, and generally smooth body; the roundworms. They are mostly parasites, in plants and animals, but some are free-living in soil or water. Also called