Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Ciliophora (Ciliates)
Spirotrichea (Spirotrich)
Sporadotrichida
Oxytrichidae
Oxytrichinae

Tachysoma (25361355)

Children (6 direct children, 6 direct and indirect children):