Related how?

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

Ceratolithaceae (23073026)

Children (3 direct children, 15 direct and indirect children):

Ceratolithus (tree size 8)

Gladiolithus (tree size 2)

Ericiolus (tree size 2)