Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Phaeista
Limnista
Fucistia
Phaeophyceae (Phaeophyta)
Fucophycidae
Ralfsiales
Neoralfsiaceae
Children (2 direct children, 2 direct and indirect children):
Neoralfsia expansa
Neoralfsia hancockii