Unsegmented worms: roundworms, threadworms, eelworms
English: Nematoda, phylum Nematoda, Aschelminthes, phylum Aschelminthes
Aschelminthes, Nematoda, nematode, nematode worm, phylum Aschelminthes
English: Nematoda, phylum Nematoda, Aschelminthes, phylum Aschelminthes
English: nematode, nematode worm, roundworm
Less certain link between this word and this sense.