Eukaryota  >  Metazoa  >  Nematoda  >  Enoplea  >  Mononchida

Family	Genus	Species
Anatonchidae	5	27
Bathyodontidae	1	2
Cryptonchidae	1	2
Iotonchidae	3	11
Mononchidae	9	82
Mylonchulidae	2	51