Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Bacillariophyta
Coscinodiscophyceae (Centricae)
Lithodesmiales
Lithodesmiaceae

Ditylum (21078568)

Children (2 direct children, 3 direct and indirect children):

Ditylum brightwellii (tree size 1)

Ditylum pernodii