Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Haptista
Haptophyta (Haptophytes)
Ceratolithaceae
Ceratolithus
Ceratolithus cristatus (23654468)
Children (1 direct children, 1 direct and indirect children):
Ceratolithus cristatus var. telesmus