Related how?

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

Cosmiodiscus (25411314)

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

Cosmiodiscus barbadensis

Cosmiodiscus elegans