Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Haptista
Haptophyta (Haptophytes)

Cyclolithus (23768629)

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

Cyclolithus gronosus

Cyclolithus robustus