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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Ciliophora (Ciliates)
Oligohymenophorea

Apostomatida (16829691)

Children (3 direct children, 28 direct and indirect children):

Cyrtocaryidae

Colliniidae (tree size 9)

Foettingeriidae (tree size 16)