Eukaryota  >  Metazoa  >  Arthropoda  >  Ichthyostraca

Family	Genus	Species
Argulidae	3	39
Armilliferidae	1	7
Cephalobaenidae	0	0
Linguatulidae	2	4
Porocephalidae	2	11
Raillietiellidae	1	13
Reighardiidae	2	3
Sambonidae	1	20
Sebekidae	4	10