Nematoda Gegenbaur, 1859 - round worms
Secernentea Von Linstow, 1905
Tylenchia (Thorne, 1949) Inglis, 1983
Tylenchida G. Thorne, 1949
Hoplolaimina Chizhov & Berezina, 1988
Hoplolaimoidea (Filipjev, 1934) Paramonov, 1967
see Superfamily Tylenchoidea Örley, 1880
Rotylenchulidae Husain & Khan, 1967
Verutinae Esser, 1981
Verutus Esser, 1981