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

Didiniidae (18670522)

Children (3 direct children, 14 direct and indirect children):

Didinium (tree size 4)

Monodinium (tree size 1)

Cyclotrichium (tree size 6)