Eukaryota  >  Metazoa  >  Annelida  >  Polychaeta

Order	Family	Genus	Species
Echiuroidea	3	18	105
Eunicida	9	76	936
Flabelligerida	0	0	5
Opheliida	0	0	6
Phyllodocida	31	311	4000
Potamodrilidae	0	1	1
Sabellida	6	126	919
Spionida	6	32	1007
Terebellida	11	122	1467
Xenopneusta	1	1	6