Triadwirmer
A Triadwirmer of Nematooden (Nematoda, faan greks  ‚triad‘) san en stam faan diarten mä amanbi 20.000 slacher.

Det san miast letj witj wirmer, diar't hal wiat an warem haa mei. Fölen lewe üs parasiiten.

Ordern 
Det iindialang tu klasen an onerklasen as ei gans seeker. Man diar san wel son gud 20 ordern:
 Chromadorea
 Araeolaimida – Benthimermithida – Chromadorida – Desmodorida – Desmoscolecida – Monhysterida – Oxyurida – Plectida – Rhabditida – Rhigonematida
 Enoplea
 Enoplia
 Enoplida – Isolaimida – Marimermithida – Oncholaimida – Stichosomida – Triplonchida – Tripylida
 Dorylaimia
 Dioctophymida – Dorylaimida – Mermithida – Mononchida – Trichocephalida

Enkelt slacher 
 Ascaridida (?)
 Ascarididae
 Ophidascaris
 Ophidascaris robertsi
 Rhabditida
 Dracunculidae
 Dracunculus
 Guineawirem (Dracunculus medinensis)

Luke uk diar