Tylenchoidea

{{Short description|Superfamily of roundworms}}

{{Automatic taxobox

| name = Tylenchoidea

| image = Soybean_cyst_nematode_and_egg_SEM.jpg

| image_caption = Heterodera glycines, worm and egg

| taxon = Tylenchoidea

| authority = (Orley, 1880)

| subdivision_ranks = Families

| subdivision =

Anguinidae

Belonolaimidae

Dolichodoridae

Ecphyadophoridae

Hoplolaimidae

Heteroderidae

Pratylenchidae

Tylenchidae

}}

Tylenchoidea is a superfamily of roundworms.{{cite web |title=WoRMS - World Register of Marine Species - Tylenchoidea Örley, 1880 |url=https://www.marinespecies.org/aphia.php?p=taxdetails&id=227111 |website=www.marinespecies.org}}{{cite web |title=Taxonomy browser (Tylenchoidea) |url=https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=33284 |website=www.ncbi.nlm.nih.gov}} Its members are either plant parasites or detritivores.