Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Phaeista
Limnista
Fucistia
Phaeophyceae (Phaeophyta)
Ishigeophycidae
Ishigeales
Petrodermataceae (21501563)
Children (1 direct children, 4 direct and indirect children):
Petroderma
(tree size 3)