Related how?

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

Sellaphoraceae (21217436)

Children (5 direct children, 356 direct and indirect children):

Sellaphora (tree size 251)

Caponea (tree size 1)

Dimidiata (tree size 1)

Fallacia (tree size 96)
Fallacia (alga)

Rossia (tree size 2)