Classification
Nematoda [filum]Adenophorea [klas]
Triplonchida [orde]
Orde Triplonchida contains the following taxa:
Diphtherophoridae [familie]
Onchulidae [familie]
Prismatolaimidae [familie]
Tobrilidae [familie]
Trichodoridae [familie]
Tripylidae [familie]