Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Khakista (Diatomista)
Bacillariophyceae

Oscillaria (1823103)

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

Oscillaria beggiatoides

Oscillaria cruenta

Oscillaria chlorina