Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Phaeista
Chrysista

Phagochrysia (105742575)

Children (3 direct children, 615 direct and indirect children):

Chrysophyceae (tree size 255)
Golden algae

Synurophyceae (tree size 357)

Picophagophyceae