Related how?

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

Triparmaceae (21227156)

Children (2 direct children, 27 direct and indirect children):

Tetraparma (tree size 6)

Triparma (tree size 19)