Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Phaeista
Limnista
Fucistia
Phaeophyceae (Phaeophyta)
Fucophycidae
Ectocarpales
Ectocarpaceae
Children (1 direct children, 1 direct and indirect children):
Pilayella littoralis