Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria (Radiolarians)
Acantharia (Acantharea)
Acanthonida
Astrolonchida

Zygacanthida (25367505)

Children (1 direct children, 2 direct and indirect children):

Acanthonia (tree size 1)