Classification
Nematoda [filum]Secernentea [klas]
Strongylida [orde]
Orde Strongylida contains the following taxa:
Amidostomatidae [familie]
Ancylostomatidae [familie]
Angiostrongylidae [familie]
Chabertiidae [familie]
Crenosomatidae [familie]
Dictyocaulidae [familie]
Filaroididae [familie]
Heligmonellidae [familie]
Heligmosomidae [familie]
Heterorhabditidae [familie]
Metastrongylidae [familie]
Molineidae [familie]
Protostrongylidae [familie]
Pseudallidae [familie]
Skrjabingylidae [familie]
Strongylidae [familie]
Syngamidae [familie]
Trichostrongylidae [familie]