Related how?

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

Cristodiscus (25411318)

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

Cristodiscus duplex

Cristodiscus succinctus