Related how?

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

Astrolonchida (25367503)

Children (1 direct children, 3 direct and indirect children):

Zygacanthida (tree size 2)