root › cellular organisms › Eukaryota › Opisthokonta › Metazoa › Eumetazoa › Bilateria › Protostomia › Ecdysozoa › Nematoda › Chromadorea › Rhabditida › Tylenchina › Tylenchomorpha › Aphelenchoidea › Aphelenchoididae › Aphelenchoides › Aphelenchoides besseyi