Eukaryota  >  Metazoa  >  Nematoda  >  Chromadorea  >  Monhysterida

Family	Genus	Species
Fusivermidae	0	0
Linhomoeidae	9	134
Monhysteridae	12	145
Siphonolaimidae	2	12
Sphaerolaimidae	4	42
Xyalidae	22	257