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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria (Radiolarians)
Acantharia (Acantharea)
Acanthophractida
Heliozoa
Centrohelea
Acanthocystida

Acanthocystidae (21213881)

Children (2 direct children, 13 direct and indirect children):

Acanthocystis (tree size 9)

Choanocystis (tree size 2)