Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Phaeista
Limnista
Fucistia
Phaeophyceae (Phaeophyta)
Fucophycidae
Ectocarpales
Chordariaceae
Children (3 direct children, 3 direct and indirect children):
Actinema subtilissimum
Actinema major
Actinema scutellum