Related how?
Biota
(Life)
Eukaryote
(Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta
(Heterokontophyta)
Khakista
(Diatomista)
Bacillariophyceae
Bacillariophycidae
Bacillariophycanae
Naviculales
Pleurosigmataceae
Costasigma (
25366181
)
Children (3 direct children, 3 direct and indirect children):
Costasigma simmsiae
Costasigma staurophorum
Costasigma asiaticum