Related how?
Biota
(Life)
Eukaryote
(Eukarya)
Chromista
Harosa
Halvaria
Alveolate
(Alveolata)
Ciliophora
(Ciliates)
Litostomatea
Trichostomatia
Vestibuliferida
Balantidiidae
Balantidium
Balantidium sigani (
23654735
)