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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Ciliophora (Ciliates)
Spirotrichea (Spirotrich)
Stichotrichida

Spirofilidae (25361832)

Children (4 direct children, 16 direct and indirect children):

Chaetospira (tree size 2)

Hypotrichidium (tree size 1)

Stichotricha (tree size 6)

Urostrongylum (tree size 3)