Eukaryota  >  Phaeophyceae  >  Ectocarpales

Family	Genus	Species
Acinetosporaceae	7	60
Acrotrichaceae	1	3
Adenocystaceae	3	5
Chordariaceae	70	236
Ectocarpaceae	3	232
Ishigeaceae	1	3
Scytosiphonaceae	17	100