Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria (Radiolarians)
Polycystine (Polycystinea)
Nassellaria
Eucyrtidiacea
Theoperidae

Cycladophora (25368448)

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

Cycladophora davisiana

Cycladophora bicornis

Cycladophora cosma