Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Haptista
Haptophyta (Haptophytes)
Prymnesiophyceae
Zygodiscales
Pontosphaeraceae
Children (2 direct children, 2 direct and indirect children):
Discolithina ovata
Discolithina rigida