Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria (Radiolarians)
Acantharia (Acantharea)
Acanthophractida
Heliozoa
Centrohelea
Acanthocystida (21012915)
Children (1 direct children, 14 direct and indirect children):
Acanthocystidae
(tree size 13)