Aphelenchida is a moderately large order of nematodes.

Aphelenchida have a stylet for feeding and a very prominent median bulb in the oesophagus.

There may be considerable plasticity of feeding habits within species, involving almost any combination of the categories listed above.

Fungal feeders may have life cycles as short as 5 days.

This Secernentea roundworm- related article is a stub.