Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Heterokontophyta

Eustigmatophyceae (21286593)

Children (2 direct children, 80 direct and indirect children):

Eustigmatales (tree size 76)

Goniochloridales (tree size 2)