Classification
Nematoda [filum]Secernentea [klas]
Spirurida [orde]
Orde Spirurida contains the following taxa:
Acuariidae [familie]
Anguillicolidae [familie]
Camallanidae [familie]
Cystidicolidae [familie]
Desmidocercidae [familie]
Diplotriaenidae [familie]
Dracunculidae [familie]
Filariidae [familie]
Gongylonematidae [familie]
Habronematidae [familie]
Onchocercidae [familie]
Philometridae [familie]
Physalopteridae [familie]
Spirocercidae [familie]
Spiruridae [familie]
Tetrameridae [familie]
Thelaziidae [familie]