Related how?

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

Chaunacanthida (1068400)

Children (3 direct children, 8 direct and indirect children):

Conaconidae

Stauraconidae (tree size 2)
Stauracontidae

Gigartaconidae (tree size 3)