Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Haptista
Haptophyta (Haptophytes)
Prymnesiophyceae
Coccosphaerales (The coccolithophore order)
Calyptrosphaeraceae

Helladosphaera (23070262)

Children (4 direct children, 4 direct and indirect children):

Helladosphaera cornifera

Helladosphaera vavilovii

Helladosphaera halldalii

Helladosphaera pienaarii