Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Haptista
Haptophyta (Haptophytes)
Coccolithophyceae
Coccolithales
Calcidiscaceae
Calcidiscus
Calcidiscus leptoporus

Calcidiscus leptoporus f. rigidus (23070838)