Related how?
Biota
(Life)
Eukaryote
(Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria
(Radiolarians)
Polycystine
(Polycystinea)
Collodaria
Collosphaeridae
Otosphaera (
21218131
)
Children (2 direct children, 2 direct and indirect children):
Otosphaera auriculata
Otosphaera tenuissima